diff --git a/Pipfile.lock b/Pipfile.lock
index edd8035..0bab117 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -30,14 +30,6 @@
             ],
             "version": "==1.4.3"
         },
-        "appnope": {
-            "hashes": [
-                "sha256:5b26757dc6f79a3b7dc9fab95359328d5747fcb2409d331ea66d0272b90ab2a0",
-                "sha256:8b995ffe925347a2138d7ac0fe77155e4311a0ea6d6da4f5128fe4b3cbe5ed71"
-            ],
-            "markers": "sys_platform == 'darwin'",
-            "version": "==0.1.0"
-        },
         "aspy.yaml": {
             "hashes": [
                 "sha256:463372c043f70160a9ec950c3f1e4c3a82db5fca01d334b6bc89c7164d744bdc",
@@ -47,10 +39,10 @@
         },
         "astroid": {
             "hashes": [
-                "sha256:6560e1e1749f68c64a4b5dee4e091fce798d2f0d84ebe638cf0e0585a343acf4",
-                "sha256:b65db1bbaac9f9f4d190199bb8680af6f6f84fd3769a5ea883df8a91fe68b4c4"
+                "sha256:71ea07f44df9568a75d0f354c49143a4575d90645e9fead6dfb52c26a85ed13a",
+                "sha256:840947ebfa8b58f318d42301cf8c0a20fd794a33b61cc4638e28e9e61ba32f42"
             ],
-            "version": "==2.2.5"
+            "version": "==2.3.3"
         },
         "atomicwrites": {
             "hashes": [
@@ -61,17 +53,17 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:69c0dbf2ed392de1cb5ec704444b08a5ef81680a61cb899dc08127123af36a79",
-                "sha256:f0b870f674851ecbfbbbd364d6b5cbdff9dcedbc7f3f5e18a6891057f21fe399"
+                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
+                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
             ],
-            "version": "==19.1.0"
+            "version": "==19.3.0"
         },
         "babel": {
             "hashes": [
-                "sha256:af92e6106cb7c55286b25b38ad7695f8b4efb36a90ba483d7f7a6628c46158ab",
-                "sha256:e86135ae101e31e2c8ec20a4e0c5220f4eed12487d5cf3f78be7e98d3a57fc28"
+                "sha256:1aac2ae2d0d8ea368fa90906567f5c08463d98ade155c0c4bfedd6a0f7160e38",
+                "sha256:d670ea0b10f8b723672d3a6abeb87b565b244da220d76b4dba1b66269ec152d4"
             ],
-            "version": "==2.7.0"
+            "version": "==2.8.0"
         },
         "backcall": {
             "hashes": [
@@ -90,24 +82,25 @@
         },
         "bleach": {
             "hashes": [
-                "sha256:213336e49e102af26d9cde77dd2d0397afabc5a6bf2fed985dc35b5d1e285a16",
-                "sha256:3fdf7f77adcf649c9911387df51254b813185e32b2c6619f690b593a617e19fa"
+                "sha256:cc8da25076a1fe56c3ac63671e2194458e0c4d9c7becfd52ca251650d517903c",
+                "sha256:e78e426105ac07026ba098f04de8abe9b6e3e98b5befbf89b51a5ef0a4292b03"
             ],
-            "version": "==3.1.0"
+            "index": "pypi",
+            "version": "==3.1.4"
         },
         "certifi": {
             "hashes": [
-                "sha256:046832c04d4e752f37383b628bc601a7ea7211496b4638f6514d0e5b9acc4939",
-                "sha256:945e3ba63a0b9f577b1395204e13c3a231f9bc0223888be653286534e5873695"
+                "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3",
+                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
             ],
-            "version": "==2019.6.16"
+            "version": "==2019.11.28"
         },
         "cfgv": {
             "hashes": [
-                "sha256:edb387943b665bf9c434f717bf630fa78aecd53d5900d2e05da6ad6048553144",
-                "sha256:fbd93c9ab0a523bf7daec408f3be2ed99a980e20b2d19b50fc184ca6b820d289"
+                "sha256:1ccf53320421aeeb915275a196e23b3b8ae87dea8ac6698b1638001d4a486d53",
+                "sha256:c8e8f552ffcc6194f4e18dd4f68d9aef0c0d58ae7e7be8c82bee3c5e9edfa513"
             ],
-            "version": "==2.0.1"
+            "version": "==3.1.0"
         },
         "chardet": {
             "hashes": [
@@ -118,17 +111,17 @@
         },
         "click": {
             "hashes": [
-                "sha256:2335065e6395b9e67ca716de5f7526736bfa6ceead690adf616d925bdc622b13",
-                "sha256:5b94b49521f6456670fdb30cd82a4eca9412788a93fa6dd6df72c94d5a8ff2d7"
+                "sha256:8a18b4ea89d8820c5d0c7da8a64b2c324b4dabb695804dbfea19b9be9d88c0cc",
+                "sha256:e345d143d80bf5ee7534056164e5e112ea5e22716bbb1ce727941f4c8b471b9a"
             ],
-            "version": "==7.0"
+            "version": "==7.1.1"
         },
         "commonmark": {
             "hashes": [
-                "sha256:14c3df31e8c9c463377e287b2a1eefaa6019ab97b22dad36e2f32be59d61d68d",
-                "sha256:867fc5db078ede373ab811e16b6789e9d033b15ccd7296f370ca52d1ee792ce0"
+                "sha256:452f9dc859be7f06631ddcb328b6919c67984aca654e5fefb3914d54691aed60",
+                "sha256:da2f38c92590f83de410ba1a3cbceafbc74fee9def35f9251ba9a971d6d66fd9"
             ],
-            "version": "==0.9.0"
+            "version": "==0.9.1"
         },
         "datetime": {
             "hashes": [
@@ -140,10 +133,10 @@
         },
         "decorator": {
             "hashes": [
-                "sha256:86156361c50488b84a3f148056ea716ca587df2f0de1d34750d35c21312725de",
-                "sha256:f069f3a01830ca754ba5258fde2278454a0b5b79e0d7f5c13b3b97e57d4acff6"
+                "sha256:41fa54c2a0cc4ba648be4fd43cff00aedf5b9465c9bf18d64325bc225f08f760",
+                "sha256:e3a62f0520172440ca0dcc823749319382e377f37f140a0b99ef45fecb84bfe7"
             ],
-            "version": "==4.4.0"
+            "version": "==4.4.2"
         },
         "defusedxml": {
             "hashes": [
@@ -152,13 +145,18 @@
             ],
             "version": "==0.6.0"
         },
+        "distlib": {
+            "hashes": [
+                "sha256:2e166e231a26b36d6dfe35a48c4464346620f8645ed0ace01ee31822b288de21"
+            ],
+            "version": "==0.3.0"
+        },
         "docutils": {
             "hashes": [
-                "sha256:6c4f696463b79f1fb8ba0c594b63840ebd41f059e92b31957c46b74a4599b6d0",
-                "sha256:9e4d7ecfc600058e07ba661411a2b7de2fd0fafa17d1a7f7361cd47b1175c827",
-                "sha256:a2aeea129088da402665e92e0b25b04b073c04b2dce4ab65caaa38b7ce2e1a99"
+                "sha256:0c5b78adfbf7762415433f5515cd5c9e762339e23369dbe8000d84a4bf4ab3af",
+                "sha256:c2de3a60e9e7d07be26b7f2b00ca0309c207e06c100f9cc2a94931fc75a478fc"
             ],
-            "version": "==0.15.2"
+            "version": "==0.16"
         },
         "entrypoints": {
             "hashes": [
@@ -167,6 +165,13 @@
             ],
             "version": "==0.3"
         },
+        "filelock": {
+            "hashes": [
+                "sha256:18d82244ee114f543149c66a6e0c14e9c4f8a1044b5cdaadd0f82159d6a6ff59",
+                "sha256:929b7d63ec5b7d6b71b0fa5ac14e030b3f70b75747cef1b10da9b879fef15836"
+            ],
+            "version": "==3.0.12"
+        },
         "flake8": {
             "hashes": [
                 "sha256:19241c1cbc971b9962473e4438a2ca19749a7dd002dd1a946eaba171b4114548",
@@ -175,12 +180,6 @@
             "index": "pypi",
             "version": "==3.7.8"
         },
-        "future": {
-            "hashes": [
-                "sha256:67045236dcfd6816dc439556d009594abf643e5eb48992e36beac09c2ca659b8"
-            ],
-            "version": "==0.17.1"
-        },
         "geojson": {
             "hashes": [
                 "sha256:b175e00a76d923d6e7409de0784c147adcdd6e04b311b1d405895a4db3612c9d",
@@ -191,46 +190,46 @@
         },
         "identify": {
             "hashes": [
-                "sha256:0a11379b46d06529795442742a043dc2fa14cd8c995ae81d1febbc5f1c014c87",
-                "sha256:43a5d24ffdb07bc7e21faf68b08e9f526a1f41f0056073f480291539ef961dfd"
+                "sha256:a7577a1f55cee1d21953a5cf11a3c839ab87f5ef909a4cba6cf52ed72b4c6059",
+                "sha256:ab246293e6585a1c6361a505b68d5b501a0409310932b7de2c2ead667b564d89"
             ],
-            "version": "==1.4.5"
+            "version": "==1.4.13"
         },
         "idna": {
             "hashes": [
-                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
-                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
+                "sha256:7588d1c14ae4c77d74036e8c22ff447b26d0fde8f007354fd48a7814db15b7cb",
+                "sha256:a068a21ceac8a4d63dbfd964670474107f541babbd2250d61922f029858365fa"
             ],
-            "version": "==2.8"
+            "version": "==2.9"
         },
         "imagesize": {
             "hashes": [
-                "sha256:3f349de3eb99145973fefb7dbe38554414e5c30abd0c8e4b970a7c9d09f3a1d8",
-                "sha256:f3832918bc3c66617f92e35f5d70729187676313caa60c187eb0f28b8fe5e3b5"
+                "sha256:6965f19a6a2039c7d48bca7dba2473069ff854c36ae6f19d2cde309d998228a1",
+                "sha256:b1f6b5a4eab1f73479a50fb79fcf729514a900c341d8503d62a62dbc4127a2b1"
             ],
-            "version": "==1.1.0"
+            "version": "==1.2.0"
         },
         "importlib-metadata": {
             "hashes": [
-                "sha256:23d3d873e008a513952355379d93cbcab874c58f4f034ff657c7a87422fa64e8",
-                "sha256:80d2de76188eabfbfcf27e6a37342c2827801e59c4cc14b0371c56fed43820e3"
+                "sha256:2a688cbaa90e0cc587f1df48bdc97a6eadccdcd9c35fb3f976a09e3b5016d90f",
+                "sha256:34513a8a0c4962bc66d35b359558fd8a5e10cd472d37aec5f66858addef32c1e"
             ],
-            "version": "==0.19"
+            "markers": "python_version < '3.8'",
+            "version": "==1.6.0"
         },
         "ipykernel": {
             "hashes": [
-                "sha256:167c3ef08450f5e060b76c749905acb0e0fbef9365899377a4a1eae728864383",
-                "sha256:b503913e0b4cce7ed2de965457dfb2edd633e8234161a60e23f2fe2161345d12"
+                "sha256:37c65d2e2da3326e5cf114405df6d47d997b8a3eba99e2cc4b75833bf71a5e18",
+                "sha256:39746b5f7d847a23fae4eac893e63e3d9cc5f8c3a4797fcd3bfa8d1a296ec6ed"
             ],
-            "version": "==5.1.2"
+            "version": "==5.2.0"
         },
         "ipython": {
             "hashes": [
-                "sha256:1d3a1692921e932751bc1a1f7bb96dc38671eeefdc66ed33ee4cbc57e92a410e",
-                "sha256:537cd0176ff6abd06ef3e23f2d0c4c2c8a4d9277b7451544c6cbf56d1c79a83d"
+                "sha256:ca478e52ae1f88da0102360e57e528b92f3ae4316aabac80a2cd7f7ab2efb48a",
+                "sha256:eb8d075de37f678424527b5ef6ea23f7b80240ca031c2dd6de5879d687a65333"
             ],
-            "markers": "python_version >= '3.3'",
-            "version": "==7.7.0"
+            "version": "==7.13.0"
         },
         "ipython-genutils": {
             "hashes": [
@@ -241,10 +240,10 @@
         },
         "ipywidgets": {
             "hashes": [
-                "sha256:13ffeca438e0c0f91ae583dc22f50379b9d6b28390ac7be8b757140e9a771516",
-                "sha256:e945f6e02854a74994c596d9db83444a1850c01648f1574adf144fbbabe05c97"
+                "sha256:87b30e4dfd68a7c4e3c6462eedb95ac7d1a776cc182f87168d960151151de31c",
+                "sha256:9cb5590e583b8ea309a2d8e88fb02e44d054df2a77891f7d3356b0b883b99d3d"
             ],
-            "version": "==7.5.1"
+            "version": "==8.0.0a0"
         },
         "isort": {
             "hashes": [
@@ -255,24 +254,24 @@
         },
         "jedi": {
             "hashes": [
-                "sha256:53c850f1a7d3cfcd306cc513e2450a54bdf5cacd7604b74e42dd1f0758eaaf36",
-                "sha256:e07457174ef7cb2342ff94fa56484fe41cec7ef69b0059f01d3f812379cb6f7c"
+                "sha256:b4f4052551025c6b0b0b193b29a6ff7bdb74c52450631206c262aef9f7159ad2",
+                "sha256:d5c871cb9360b414f981e7072c52c33258d598305280fef91c6cae34739d65d5"
             ],
-            "version": "==0.14.1"
+            "version": "==0.16.0"
         },
         "jinja2": {
             "hashes": [
-                "sha256:065c4f02ebe7f7cf559e49ee5a95fb800a9e4528727aec6f24402a5374c65013",
-                "sha256:14dd6caf1527abb21f08f86c784eac40853ba93edb79552aa1e4b8aef1b61c7b"
+                "sha256:c10142f819c2d22bdcd17548c46fa9b77cf4fda45097854c689666bf425e7484",
+                "sha256:c922560ac46888d47384de1dbdc3daaa2ea993af4b26a436dec31fa2c19ec668"
             ],
-            "version": "==2.10.1"
+            "version": "==3.0.0a1"
         },
         "jsonschema": {
             "hashes": [
-                "sha256:5f9c0a719ca2ce14c5de2fd350a64fd2d13e8539db29836a86adc990bb1a068f",
-                "sha256:8d4a2b7b6c2237e0199c8ea1a6d3e05bf118e289ae2b9d7ba444182a2959560d"
+                "sha256:4e5b3cf8216f577bee9ce139cbe72eca3ea4f292ec60928ff24758ce626cd163",
+                "sha256:c8a85b28d377cc7737e46e2d9f2b4f44ee3c0e1deac6bf46ddefc7187d30797a"
             ],
-            "version": "==3.0.2"
+            "version": "==3.2.0"
         },
         "jupyter": {
             "hashes": [
@@ -285,47 +284,57 @@
         },
         "jupyter-client": {
             "hashes": [
-                "sha256:73a809a2964afa07adcc1521537fddb58c2ffbb7e84d53dc5901cf80480465b3",
-                "sha256:98e8af5edff5d24e4d31e73bc21043130ae9d955a91aa93fc0bc3b1d0f7b5880"
+                "sha256:5724827aedb1948ed6ed15131372bc304a8d3ad9ac67ac19da7c95120d6b17e0",
+                "sha256:81c1c712de383bf6bf3dab6b407392b0d84d814c7bd0ce2c7035ead8b2ffea97"
             ],
-            "version": "==5.3.1"
+            "version": "==6.1.2"
         },
         "jupyter-console": {
             "hashes": [
-                "sha256:308ce876354924fb6c540b41d5d6d08acfc946984bf0c97777c1ddcb42e0b2f5",
-                "sha256:cc80a97a5c389cbd30252ffb5ce7cefd4b66bde98219edd16bf5cb6f84bb3568"
+                "sha256:6f6ead433b0534909df789ea64f0a14cdf9b6b2360757756f08182be4b9e431b",
+                "sha256:b392155112ec86a329df03b225749a0fa903aa80811e8eda55796a40b5e470d8"
             ],
-            "version": "==6.0.0"
+            "version": "==6.1.0"
         },
         "jupyter-core": {
             "hashes": [
-                "sha256:2c6e7c1e9f2ac45b5c2ceea5730bc9008d92fe59d0725eac57b04c0edfba24f7",
-                "sha256:f4fa22d6cf25f34807c995f22d2923693575c70f02557bcbfbe59bd5ec8d8b84"
+                "sha256:394fd5dd787e7c8861741880bdf8a00ce39f95de5d18e579c74b882522219e7e",
+                "sha256:a4ee613c060fe5697d913416fc9d553599c05e4492d58fac1192c9a6844abb21"
             ],
-            "version": "==4.5.0"
+            "version": "==4.6.3"
+        },
+        "jupyterlab-pygments": {
+            "hashes": [
+                "sha256:31deda75bd11b014190764c79f6199aa04ef2d4cf35c1c94270fc2e19c23a5c5",
+                "sha256:cc15f2a9850899d108a3c22743a86edcd3b42791a6c88b6e5b558d021d14d065"
+            ],
+            "version": "==0.1.0"
         },
         "lazy-object-proxy": {
             "hashes": [
-                "sha256:159a745e61422217881c4de71f9eafd9d703b93af95618635849fe469a283661",
-                "sha256:23f63c0821cc96a23332e45dfaa83266feff8adc72b9bcaef86c202af765244f",
-                "sha256:3b11be575475db2e8a6e11215f5aa95b9ec14de658628776e10d96fa0b4dac13",
-                "sha256:3f447aff8bc61ca8b42b73304f6a44fa0d915487de144652816f950a3f1ab821",
-                "sha256:4ba73f6089cd9b9478bc0a4fa807b47dbdb8fad1d8f31a0f0a5dbf26a4527a71",
-                "sha256:4f53eadd9932055eac465bd3ca1bd610e4d7141e1278012bd1f28646aebc1d0e",
-                "sha256:64483bd7154580158ea90de5b8e5e6fc29a16a9b4db24f10193f0c1ae3f9d1ea",
-                "sha256:6f72d42b0d04bfee2397aa1862262654b56922c20a9bb66bb76b6f0e5e4f9229",
-                "sha256:7c7f1ec07b227bdc561299fa2328e85000f90179a2f44ea30579d38e037cb3d4",
-                "sha256:7c8b1ba1e15c10b13cad4171cfa77f5bb5ec2580abc5a353907780805ebe158e",
-                "sha256:8559b94b823f85342e10d3d9ca4ba5478168e1ac5658a8a2f18c991ba9c52c20",
-                "sha256:a262c7dfb046f00e12a2bdd1bafaed2408114a89ac414b0af8755c696eb3fc16",
-                "sha256:acce4e3267610c4fdb6632b3886fe3f2f7dd641158a843cf6b6a68e4ce81477b",
-                "sha256:be089bb6b83fac7f29d357b2dc4cf2b8eb8d98fe9d9ff89f9ea6012970a853c7",
-                "sha256:bfab710d859c779f273cc48fb86af38d6e9210f38287df0069a63e40b45a2f5c",
-                "sha256:c10d29019927301d524a22ced72706380de7cfc50f767217485a912b4c8bd82a",
-                "sha256:dd6e2b598849b3d7aee2295ac765a578879830fb8966f70be8cd472e6069932e",
-                "sha256:e408f1eacc0a68fed0c08da45f31d0ebb38079f043328dce69ff133b95c29dc1"
+                "sha256:0c4b206227a8097f05c4dbdd323c50edf81f15db3b8dc064d08c62d37e1a504d",
+                "sha256:194d092e6f246b906e8f70884e620e459fc54db3259e60cf69a4d66c3fda3449",
+                "sha256:1be7e4c9f96948003609aa6c974ae59830a6baecc5376c25c92d7d697e684c08",
+                "sha256:4677f594e474c91da97f489fea5b7daa17b5517190899cf213697e48d3902f5a",
+                "sha256:48dab84ebd4831077b150572aec802f303117c8cc5c871e182447281ebf3ac50",
+                "sha256:5541cada25cd173702dbd99f8e22434105456314462326f06dba3e180f203dfd",
+                "sha256:59f79fef100b09564bc2df42ea2d8d21a64fdcda64979c0fa3db7bdaabaf6239",
+                "sha256:8d859b89baf8ef7f8bc6b00aa20316483d67f0b1cbf422f5b4dc56701c8f2ffb",
+                "sha256:9254f4358b9b541e3441b007a0ea0764b9d056afdeafc1a5569eee1cc6c1b9ea",
+                "sha256:9651375199045a358eb6741df3e02a651e0330be090b3bc79f6d0de31a80ec3e",
+                "sha256:97bb5884f6f1cdce0099f86b907aa41c970c3c672ac8b9c8352789e103cf3156",
+                "sha256:9b15f3f4c0f35727d3a0fba4b770b3c4ebbb1fa907dbcc046a1d2799f3edd142",
+                "sha256:a2238e9d1bb71a56cd710611a1614d1194dc10a175c1e08d75e1a7bcc250d442",
+                "sha256:a6ae12d08c0bf9909ce12385803a543bfe99b95fe01e752536a60af2b7797c62",
+                "sha256:ca0a928a3ddbc5725be2dd1cf895ec0a254798915fb3a36af0964a0a4149e3db",
+                "sha256:cb2c7c57005a6804ab66f106ceb8482da55f5314b7fcb06551db1edae4ad1531",
+                "sha256:d74bb8693bf9cf75ac3b47a54d716bbb1a92648d5f781fc799347cfc95952383",
+                "sha256:d945239a5639b3ff35b70a88c5f2f491913eb94871780ebfabb2568bd58afc5a",
+                "sha256:eba7011090323c1dadf18b3b689845fd96a61ba0a1dfbd7f24b921398affc357",
+                "sha256:efa1909120ce98bbb3777e8b6f92237f5d5c8ea6758efea36a473e1d38f7d3e4",
+                "sha256:f3900e8a5de27447acbf900b4750b0ddfd7ec1ea7fbaf11dfa911141bc522af0"
             ],
-            "version": "==1.4.1"
+            "version": "==1.4.3"
         },
         "markupsafe": {
             "hashes": [
@@ -333,13 +342,16 @@
                 "sha256:09027a7803a62ca78792ad89403b1b7a73a01c8cb65909cd876f7fcebd79b161",
                 "sha256:09c4b7f37d6c648cb13f9230d847adf22f8171b1ccc4d5682398e77f40309235",
                 "sha256:1027c282dad077d0bae18be6794e6b6b8c91d58ed8a8d89a89d59693b9131db5",
+                "sha256:13d3144e1e340870b25e7b10b98d779608c02016d5184cfb9927a9f10c689f42",
                 "sha256:24982cc2533820871eba85ba648cd53d8623687ff11cbb805be4ff7b4c971aff",
                 "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b",
                 "sha256:43a55c2930bbc139570ac2452adf3d70cdbb3cfe5912c71cdce1c2c6bbd9c5d1",
                 "sha256:46c99d2de99945ec5cb54f23c8cd5689f6d7177305ebff350a58ce5f8de1669e",
                 "sha256:500d4957e52ddc3351cabf489e79c91c17f6e0899158447047588650b5e69183",
                 "sha256:535f6fc4d397c1563d08b88e485c3496cf5784e927af890fb3c3aac7f933ec66",
+                "sha256:596510de112c685489095da617b5bcbbac7dd6384aeebeda4df6025d0256a81b",
                 "sha256:62fe6c95e3ec8a7fad637b7f3d372c15ec1caa01ab47926cfdf7a75b40e0eac1",
+                "sha256:6788b695d50a51edb699cb55e35487e430fa21f1ed838122d722e0ff0ac5ba15",
                 "sha256:6dd73240d2af64df90aa7c4e7481e23825ea70af4b4922f8ede5b9e35f78a3b1",
                 "sha256:717ba8fe3ae9cc0006d7c451f0bb265ee07739daf76355d06366154ee68d221e",
                 "sha256:79855e1c5b8da654cf486b830bd42c06e8780cea587384cf6545b7d9ac013a0b",
@@ -356,7 +368,9 @@
                 "sha256:ba59edeaa2fc6114428f1637ffff42da1e311e29382d81b339c1817d37ec93c6",
                 "sha256:c8716a48d94b06bb3b2524c2b77e055fb313aeb4ea620c8dd03a105574ba704f",
                 "sha256:cd5df75523866410809ca100dc9681e301e3c27567cf498077e8551b6d20e42f",
-                "sha256:e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7"
+                "sha256:cdb132fc825c38e1aeec2c8aa9338310d29d337bebbd7baa06889d09a60a1fa2",
+                "sha256:e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7",
+                "sha256:e8313f01ba26fbbe36c7be1966a7b7424942f670f38e666995b88d012765b9be"
             ],
             "version": "==1.1.1"
         },
@@ -376,24 +390,24 @@
         },
         "more-itertools": {
             "hashes": [
-                "sha256:409cd48d4db7052af495b09dec721011634af3753ae1ef92d2b32f73a745f832",
-                "sha256:92b8c4b06dac4f0611c0729b2f2ede52b2e1bac1ab48f089c7ddc12e26bb60c4"
+                "sha256:5dd8bcf33e5f9513ffa06d5ad33d78f31e1931ac9a18f33d37e77a180d393a7c",
+                "sha256:b1ddb932186d8a6ac451e1d95844b382f55e12686d51ca0c68b6f61f2ab7a507"
             ],
-            "version": "==7.2.0"
+            "version": "==8.2.0"
         },
         "nbconvert": {
             "hashes": [
-                "sha256:138381baa41d83584459b5cfecfc38c800ccf1f37d9ddd0bd440783346a4c39c",
-                "sha256:4a978548d8383f6b2cfca4a3b0543afb77bc7cb5a96e8b424337ab58c12da9bc"
+                "sha256:944a5fbe6c4609d74e7f331bfa957c8eff2d53904f7c40f053a44bfb4164b718",
+                "sha256:c86da6adc412df9ad2726fe438589e4495c7835792d6d84f888178682f5d5bcf"
             ],
-            "version": "==5.5.0"
+            "version": "==6.0.0a0"
         },
         "nbformat": {
             "hashes": [
-                "sha256:b9a0dbdbd45bb034f4f8893cafd6f652ea08c8c1674ba83f2dc55d3955743b0b",
-                "sha256:f7494ef0df60766b7cabe0a3651556345a963b74dbc16bc7c18479041170d402"
+                "sha256:562de41fc7f4f481b79ab5d683279bf3a168858268d4387b489b7b02be0b324a",
+                "sha256:f4bbbd8089bd346488f00af4ce2efb7f8310a74b2058040d075895429924678c"
             ],
-            "version": "==4.4.0"
+            "version": "==5.0.4"
         },
         "nbsphinx": {
             "hashes": [
@@ -405,16 +419,16 @@
         },
         "nodeenv": {
             "hashes": [
-                "sha256:ad8259494cf1c9034539f6cced78a1da4840a4b157e23640bc4a0c0546b0cb7a"
+                "sha256:5b2438f2e42af54ca968dd1b374d14a1194848955187b0e5e4be1f73813a5212"
             ],
-            "version": "==1.3.3"
+            "version": "==1.3.5"
         },
         "notebook": {
             "hashes": [
-                "sha256:0be97e939cec73cde37fc4d2a606a6f497a9addf3afcf61a09a21b0c35e699c5",
-                "sha256:5c16dbf4fa824db19de43637ebfb24bcbd3b4f646e5d6a0414ed3a376d6bc951"
+                "sha256:3edc616c684214292994a3af05eaea4cc043f6b4247d830f3a2f209fa7639a80",
+                "sha256:47a9092975c9e7965ada00b9a20f0cf637d001db60d241d479f53c0be117ad48"
             ],
-            "version": "==6.0.0"
+            "version": "==6.0.3"
         },
         "numpy": {
             "hashes": [
@@ -440,10 +454,10 @@
         },
         "packaging": {
             "hashes": [
-                "sha256:a7ac867b97fdc07ee80a8058fe4435ccd274ecc3b0ed61d852d7d53055528cf9",
-                "sha256:c491ca87294da7cc01902edbe30a5bc6c4c28172b5138ab4e4aa1b9d7bfaeafe"
+                "sha256:3c292b474fda1671ec57d46d739d072bfd495a4f51ad01a055121d81e952b7a3",
+                "sha256:82f77b9bee21c1bafbf35a84905d604d5d1223801d639cf3ed140bd651c08752"
             ],
-            "version": "==19.1"
+            "version": "==20.3"
         },
         "pandas": {
             "hashes": [
@@ -473,18 +487,18 @@
         },
         "parso": {
             "hashes": [
-                "sha256:63854233e1fadb5da97f2744b6b24346d2750b85965e7e399bec1620232797dc",
-                "sha256:666b0ee4a7a1220f65d367617f2cd3ffddff3e205f3f16a0284df30e774c2a9c"
+                "sha256:0c5659e0c6eba20636f99a04f469798dca8da279645ce5c387315b2c23912157",
+                "sha256:8515fc12cfca6ee3aa59138741fc5624d62340c97e401c74875769948d4f2995"
             ],
-            "version": "==0.5.1"
+            "version": "==0.6.2"
         },
         "pexpect": {
             "hashes": [
-                "sha256:2094eefdfcf37a1fdbfb9aa090862c1a4878e5c7e0e7e7088bdb511c558e5cd1",
-                "sha256:9e2c1fd0e6ee3a49b28f95d4b33bc389c89b20af6a1255906e90ff1262ce62eb"
+                "sha256:0b48a55dcb3c05f3329815901ea4fc1537514d6ba867a152b581d69ae3710937",
+                "sha256:fc65a43959d153d0114afe13997d439c22823a27cefceb5ff35c2178c6784c0c"
             ],
             "markers": "sys_platform != 'win32'",
-            "version": "==4.7.0"
+            "version": "==4.8.0"
         },
         "pickleshare": {
             "hashes": [
@@ -503,10 +517,10 @@
         },
         "pluggy": {
             "hashes": [
-                "sha256:0825a152ac059776623854c1543d65a4ad408eb3d33ee114dff91e57ec6ae6fc",
-                "sha256:b9817417e95936bf75d85d3f8767f7df6cdde751fc40aed3bb3074cbcb77757c"
+                "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0",
+                "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"
             ],
-            "version": "==0.12.0"
+            "version": "==0.13.1"
         },
         "pre-commit": {
             "hashes": [
@@ -524,11 +538,10 @@
         },
         "prompt-toolkit": {
             "hashes": [
-                "sha256:11adf3389a996a6d45cc277580d0d53e8a5afd281d0c9ec71b28e6f121463780",
-                "sha256:2519ad1d8038fd5fc8e770362237ad0364d16a7650fb5724af6997ed5515e3c1",
-                "sha256:977c6583ae813a37dc1c2e1b715892461fcbdaa57f6fc62f33a528c4886c8f55"
+                "sha256:563d1a4140b63ff9dd587bda9557cffb2fe73650205ab6f4383092fb882e7dc8",
+                "sha256:df7e9e63aea609b1da3a65641ceaf5bc7d05e0a04de5bd45d05dbeffbabf9e04"
             ],
-            "version": "==2.0.9"
+            "version": "==3.0.5"
         },
         "ptyprocess": {
             "hashes": [
@@ -540,10 +553,10 @@
         },
         "py": {
             "hashes": [
-                "sha256:64f65755aee5b381cea27766a3a147c3f15b9b6b9ac88676de66ba2ae36793fa",
-                "sha256:dc639b046a6e2cff5bbe40194ad65936d6ba360b52b3c3fe1d08a82dd50b5e53"
+                "sha256:5e27081401262157467ad6e7f851b7aa402c5852dbcb3dae06768434de5752aa",
+                "sha256:c20fdd83a5dbc0af9efd622bee9a5564e278f6380fffcacc43ba6f43db2813b0"
             ],
-            "version": "==1.8.0"
+            "version": "==1.8.1"
         },
         "pycodestyle": {
             "hashes": [
@@ -561,10 +574,10 @@
         },
         "pygments": {
             "hashes": [
-                "sha256:71e430bc85c88a430f000ac1d9b331d2407f681d6f6aec95e8bcfbc3df5b0127",
-                "sha256:881c4c157e45f30af185c1ffe8d549d48ac9127433f2c380c24b84572ad66297"
+                "sha256:647344a061c249a3b74e230c739f434d7ea4d8b1d5f3721bc0f3558049b38f44",
+                "sha256:ff7a40b4860b727ab48fad6360eb351cc1b33cbf9b15a0f689ca5353e9463324"
             ],
-            "version": "==2.4.2"
+            "version": "==2.6.1"
         },
         "pylint": {
             "hashes": [
@@ -576,16 +589,16 @@
         },
         "pyparsing": {
             "hashes": [
-                "sha256:6f98a7b9397e206d78cc01df10131398f1c8b8510a2f4d97d9abd82e1aacdd80",
-                "sha256:d9338df12903bbf5d65a0e4e87c2161968b10d2e489652bb47001d82a9b028b4"
+                "sha256:4c830582a84fb022400b85429791bc551f1f4871c33f23e44f353119e92f969f",
+                "sha256:c342dccb5250c08d45fd6f8b4a559613ca603b57498511740e65cd11a2e7dcec"
             ],
-            "version": "==2.4.2"
+            "version": "==2.4.6"
         },
         "pyrsistent": {
             "hashes": [
-                "sha256:34b47fa169d6006b32e99d4b3c4031f155e6e68ebcc107d6454852e8e0ee6533"
+                "sha256:28669905fe725965daa16184933676547c5bb40a5153055a8dee2a4bd7933ad3"
             ],
-            "version": "==0.15.4"
+            "version": "==0.16.0"
         },
         "pytest": {
             "hashes": [
@@ -597,17 +610,17 @@
         },
         "python-dateutil": {
             "hashes": [
-                "sha256:7e6584c74aeed623791615e26efd690f29817a27c73085b78e4bad02493df2fb",
-                "sha256:c89805f6f4d64db21ed966fda138f8a5ed7a4fdbc1a8ee329ce1b74e3c74da9e"
+                "sha256:73ebfe9dbf22e832286dafa60473e4cd239f8592f699aa5adaf10050e6e1823c",
+                "sha256:75bb3f31ea686f1197762692a9ee6a7550b59fc6ca3a1f4b5d7e32fb98e2da2a"
             ],
-            "version": "==2.8.0"
+            "version": "==2.8.1"
         },
         "pytz": {
             "hashes": [
-                "sha256:26c0b32e437e54a18161324a2fca3c4b9846b74a8dccddd843113109e1116b32",
-                "sha256:c894d57500a4cd2d5c71114aaab77dbab5eabd9022308ce5ac9bb93a60a6f0c7"
+                "sha256:1c557d7d0e871de1f5ccd5833f60fb2550652da6be2693c1e02300743d21500d",
+                "sha256:b02c06db6cf09c12dd25137e563b31700d3b80fcc4ad23abb7a315f2789819be"
             ],
-            "version": "==2019.2"
+            "version": "==2019.3"
         },
         "pyyaml": {
             "hashes": [
@@ -630,40 +643,50 @@
         },
         "pyzmq": {
             "hashes": [
-                "sha256:01636e95a88d60118479041c6aaaaf5419c6485b7b1d37c9c4dd424b7b9f1121",
-                "sha256:021dba0d1436516092c624359e5da51472b11ba8edffa334218912f7e8b65467",
-                "sha256:0463bd941b6aead494d4035f7eebd70035293dd6caf8425993e85ad41de13fa3",
-                "sha256:05fd51edd81eed798fccafdd49c936b6c166ffae7b32482e4d6d6a2e196af4e6",
-                "sha256:1fadc8fbdf3d22753c36d4172169d184ee6654f8d6539e7af25029643363c490",
-                "sha256:22efa0596cf245a78a99060fe5682c4cd00c58bb7614271129215c889062db80",
-                "sha256:260c70b7c018905ec3659d0f04db735ac830fe27236e43b9dc0532cf7c9873ef",
-                "sha256:2762c45e289732d4450406cedca35a9d4d71e449131ba2f491e0bf473e3d2ff2",
-                "sha256:2fc6cada8dc53521c1189596f1898d45c5f68603194d3a6453d6db4b27f4e12e",
-                "sha256:343b9710a61f2b167673bea1974e70b5dccfe64b5ed10626798f08c1f7227e72",
-                "sha256:41bf96d5f554598a0632c3ec28e3026f1d6591a50f580df38eff0b8067efb9e7",
-                "sha256:856b2cdf7a1e2cbb84928e1e8db0ea4018709b39804103d3a409e5584f553f57",
-                "sha256:85b869abc894672de9aecdf032158ea8ad01e2f0c3b09ef60e3687fb79418096",
-                "sha256:93f44739db69234c013a16990e43db1aa0af3cf5a4b8b377d028ff24515fbeb3",
-                "sha256:98fa3e75ccb22c0dc99654e3dd9ff693b956861459e8c8e8734dd6247b89eb29",
-                "sha256:9a22c94d2e93af8bebd4fcf5fa38830f5e3b1ff0d4424e2912b07651eb1bafb4",
-                "sha256:a7d3f4b4bbb5d7866ae727763268b5c15797cbd7b63ea17f3b0ec1067da8994b",
-                "sha256:b645a49376547b3816433a7e2d2a99135c8e651e50497e7ecac3bd126e4bea16",
-                "sha256:cf0765822e78cf9e45451647a346d443f66792aba906bc340f4e0ac7870c169c",
-                "sha256:dc398e1e047efb18bfab7a8989346c6921a847feae2cad69fedf6ca12fb99e2c",
-                "sha256:dd5995ae2e80044e33b5077fb4bc2b0c1788ac6feaf15a6b87a00c14b4bdd682",
-                "sha256:e03fe5e07e70f245dc9013a9d48ae8cc4b10c33a1968039c5a3b64b5d01d083d",
-                "sha256:ea09a306144dff2795e48439883349819bef2c53c0ee62a3c2fae429451843bb",
-                "sha256:f4e37f33da282c3c319849877e34f97f0a3acec09622ec61b7333205bdd13b52",
-                "sha256:fa4bad0d1d173dee3e8ef3c3eb6b2bb6c723fc7a661eeecc1ecb2fa99860dd45"
-            ],
-            "version": "==18.1.0"
+                "sha256:0bbc1728fe4314b4ca46249c33873a390559edac7c217ec7001b5e0c34a8fb7f",
+                "sha256:1e076ad5bd3638a18c376544d32e0af986ca10d43d4ce5a5d889a8649f0d0a3d",
+                "sha256:242d949eb6b10197cda1d1cec377deab1d5324983d77e0d0bf9dc5eb6d71a6b4",
+                "sha256:26f4ae420977d2a8792d7c2d7bda43128b037b5eeb21c81951a94054ad8b8843",
+                "sha256:32234c21c5e0a767c754181c8112092b3ddd2e2a36c3f76fc231ced817aeee47",
+                "sha256:3f12ce1e9cc9c31497bd82b207e8e86ccda9eebd8c9f95053aae46d15ccd2196",
+                "sha256:4557d5e036e6d85715b4b9fdb482081398da1d43dc580d03db642b91605b409f",
+                "sha256:4f562dab21c03c7aa061f63b147a595dbe1006bf4f03213272fc9f7d5baec791",
+                "sha256:5e071b834051e9ecb224915398f474bfad802c2fff883f118ff5363ca4ae3edf",
+                "sha256:5e1f65e576ab07aed83f444e201d86deb01cd27dcf3f37c727bc8729246a60a8",
+                "sha256:5f10a31f288bf055be76c57710807a8f0efdb2b82be6c2a2b8f9a61f33a40cea",
+                "sha256:6aaaf90b420dc40d9a0e1996b82c6a0ff91d9680bebe2135e67c9e6d197c0a53",
+                "sha256:75238d3c16cab96947705d5709187a49ebb844f54354cdf0814d195dd4c045de",
+                "sha256:7f7e7b24b1d392bb5947ba91c981e7d1a43293113642e0d8870706c8e70cdc71",
+                "sha256:84b91153102c4bcf5d0f57d1a66a0f03c31e9e6525a5f656f52fc615a675c748",
+                "sha256:944f6bb5c63140d76494467444fd92bebd8674236837480a3c75b01fe17df1ab",
+                "sha256:a1f957c20c9f51d43903881399b078cddcf710d34a2950e88bce4e494dcaa4d1",
+                "sha256:a49fd42a29c1cc1aa9f461c5f2f5e0303adba7c945138b35ee7f4ab675b9f754",
+                "sha256:a99ae601b4f6917985e9bb071549e30b6f93c72f5060853e197bdc4b7d357e5f",
+                "sha256:ad48865a29efa8a0cecf266432ea7bc34e319954e55cf104be0319c177e6c8f5",
+                "sha256:b08e425cf93b4e018ab21dc8fdbc25d7d0502a23cc4fea2380010cf8cf11e462",
+                "sha256:bb10361293d96aa92be6261fa4d15476bca56203b3a11c62c61bd14df0ef89ba",
+                "sha256:bd1a769d65257a7a12e2613070ca8155ee348aa9183f2aadf1c8b8552a5510f5",
+                "sha256:cb3b7156ef6b1a119e68fbe3a54e0a0c40ecacc6b7838d57dd708c90b62a06dc",
+                "sha256:e8e4efb52ec2df8d046395ca4c84ae0056cf507b2f713ec803c65a8102d010de",
+                "sha256:f37c29da2a5b0c5e31e6f8aab885625ea76c807082f70b2d334d3fd573c3100a",
+                "sha256:f4d558bc5668d2345773a9ff8c39e2462dafcb1f6772a2e582fbced389ce527f",
+                "sha256:f5b6d015587a1d6f582ba03b226a9ddb1dfb09878b3be04ef48b01b7d4eb6b2a"
+            ],
+            "version": "==19.0.0"
         },
         "qtconsole": {
             "hashes": [
-                "sha256:6a85456af7a98b0f554d140922b7b6a219757b039adb2b95e847cf115eaa20ae",
-                "sha256:767eb9ec3f9943bc84270198b5ff95d2d86d68d6b57792fafa4df4fc6b16cd7c"
+                "sha256:1eb76ca095f22aa8f0137e8672a63422bfa22bd9a202b64240c5de64103470c9",
+                "sha256:d7834598825169fc322390fdfd96bf791833ded21bf22803f083662edbbf3d75"
             ],
-            "version": "==4.5.2"
+            "version": "==4.7.2"
+        },
+        "qtpy": {
+            "hashes": [
+                "sha256:2db72c44b55d0fe1407be8fba35c838ad0d6d3bb81f23007886dc1fc0f459c8d",
+                "sha256:fa0b8363b363e89b2a6f49eddc162a04c0699ae95e109a6be3bb145a913190ea"
+            ],
+            "version": "==1.9.0"
         },
         "recommonmark": {
             "hashes": [
@@ -675,10 +698,10 @@
         },
         "requests": {
             "hashes": [
-                "sha256:11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4",
-                "sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"
+                "sha256:43999036bfa82904b6af1d99e4882b560e5e2c68e5c4b0aa03b655f3d7d73fee",
+                "sha256:b3f43d496c6daba4493e7c431722aeb7dbc6288f52a6e04e7b6023b0247817e6"
             ],
-            "version": "==2.22.0"
+            "version": "==2.23.0"
         },
         "retrying": {
             "hashes": [
@@ -695,16 +718,17 @@
         },
         "six": {
             "hashes": [
-                "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
-                "sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
+                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
+                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
             ],
-            "version": "==1.12.0"
+            "version": "==1.14.0"
         },
         "snowballstemmer": {
             "hashes": [
-                "sha256:9f3b9ffe0809d174f7047e121431acf99c89a7040f0ca84f94ba53a498e6d0c9"
+                "sha256:209f257d7533fdb3cb73bdbd24f436239ca3b2fa67d56f6ff88e86be08cc5ef0",
+                "sha256:df3bac3df4c2c01363f3dd2cfa78cce2840a79b9f1c2d2de9ce8d31683992f52"
             ],
-            "version": "==1.9.0"
+            "version": "==2.0.0"
         },
         "sphinx": {
             "hashes": [
@@ -731,24 +755,24 @@
         },
         "sphinxcontrib-applehelp": {
             "hashes": [
-                "sha256:edaa0ab2b2bc74403149cb0209d6775c96de797dfd5b5e2a71981309efab3897",
-                "sha256:fb8dee85af95e5c30c91f10e7eb3c8967308518e0f7488a2828ef7bc191d0d5d"
+                "sha256:806111e5e962be97c29ec4c1e7fe277bfd19e9652fb1a4392105b43e01af885a",
+                "sha256:a072735ec80e7675e3f432fcae8610ecf509c5f1869d17e2eecff44389cdbc58"
             ],
-            "version": "==1.0.1"
+            "version": "==1.0.2"
         },
         "sphinxcontrib-devhelp": {
             "hashes": [
-                "sha256:6c64b077937330a9128a4da74586e8c2130262f014689b4b89e2d08ee7294a34",
-                "sha256:9512ecb00a2b0821a146736b39f7aeb90759834b07e81e8cc23a9c70bacb9981"
+                "sha256:8165223f9a335cc1af7ffe1ed31d2871f325254c0423bc0c4c7cd1c1e4734a2e",
+                "sha256:ff7f1afa7b9642e7060379360a67e9c41e8f3121f2ce9164266f61b9f4b338e4"
             ],
-            "version": "==1.0.1"
+            "version": "==1.0.2"
         },
         "sphinxcontrib-htmlhelp": {
             "hashes": [
-                "sha256:4670f99f8951bd78cd4ad2ab962f798f5618b17675c35c5ac3b2132a14ea8422",
-                "sha256:d4fd39a65a625c9df86d7fa8a2d9f3cd8299a3a4b15db63b50aac9e161d8eff7"
+                "sha256:3c0bc24a2c41e340ac37c85ced6dafc879ab485c095b1d65d2461ac2f7cca86f",
+                "sha256:e8f5bb7e31b2dbb25b9cc435c8ab7a79787ebf7f906155729338f3156d93659b"
             ],
-            "version": "==1.0.2"
+            "version": "==1.0.3"
         },
         "sphinxcontrib-jsmath": {
             "hashes": [
@@ -759,31 +783,31 @@
         },
         "sphinxcontrib-qthelp": {
             "hashes": [
-                "sha256:513049b93031beb1f57d4daea74068a4feb77aa5630f856fcff2e50de14e9a20",
-                "sha256:79465ce11ae5694ff165becda529a600c754f4bc459778778c7017374d4d406f"
+                "sha256:4c33767ee058b70dba89a6fc5c1892c0d57a54be67ddd3e7875a18d14cba5a72",
+                "sha256:bd9fc24bcb748a8d51fd4ecaade681350aa63009a347a8c14e637895444dfab6"
             ],
-            "version": "==1.0.2"
+            "version": "==1.0.3"
         },
         "sphinxcontrib-serializinghtml": {
             "hashes": [
-                "sha256:c0efb33f8052c04fd7a26c0a07f1678e8512e0faec19f4aa8f2473a8b81d5227",
-                "sha256:db6615af393650bf1151a6cd39120c29abaf93cc60db8c48eb2dddbfdc3a9768"
+                "sha256:eaa0eccc86e982a9b939b2b82d12cc5d013385ba5eadcc7e4fed23f4405f77bc",
+                "sha256:f242a81d423f59617a8e5cf16f5d4d74e28ee9a66f9e5b637a18082991db5a9a"
             ],
-            "version": "==1.1.3"
+            "version": "==1.1.4"
         },
         "terminado": {
             "hashes": [
-                "sha256:d9d012de63acb8223ac969c17c3043337c2fcfd28f3aea1ee429b345d01ef460",
-                "sha256:de08e141f83c3a0798b050ecb097ab6259c3f0331b2f7b7750c9075ced2c20c2"
+                "sha256:4804a774f802306a7d9af7322193c5390f1da0abb429e082a10ef1d46e6fb2c2",
+                "sha256:a43dcb3e353bc680dd0783b1d9c3fc28d529f190bc54ba9a229f72fe6e7a54d7"
             ],
-            "version": "==0.8.2"
+            "version": "==0.8.3"
         },
         "testpath": {
             "hashes": [
-                "sha256:46c89ebb683f473ffe2aab0ed9f12581d4d078308a3cb3765d79c6b2317b0109",
-                "sha256:b694b3d9288dbd81685c5d2e7140b81365d46c29f5db4bc659de5aa6b98780f8"
+                "sha256:60e0a3261c149755f4399a1fff7d37523179a70fdc3abdf78de9fc2604aeec7e",
+                "sha256:bfcf9411ef4bf3db7579063e0546938b1edda3d69f4e1fb8756991f5951f85d4"
             ],
-            "version": "==0.4.2"
+            "version": "==0.4.4"
         },
         "toml": {
             "hashes": [
@@ -794,64 +818,72 @@
         },
         "tornado": {
             "hashes": [
-                "sha256:349884248c36801afa19e342a77cc4458caca694b0eda633f5878e458a44cb2c",
-                "sha256:398e0d35e086ba38a0427c3b37f4337327231942e731edaa6e9fd1865bbd6f60",
-                "sha256:4e73ef678b1a859f0cb29e1d895526a20ea64b5ffd510a2307b5998c7df24281",
-                "sha256:559bce3d31484b665259f50cd94c5c28b961b09315ccd838f284687245f416e5",
-                "sha256:abbe53a39734ef4aba061fca54e30c6b4639d3e1f59653f0da37a0003de148c7",
-                "sha256:c845db36ba616912074c5b1ee897f8e0124df269468f25e4fe21fe72f6edd7a9",
-                "sha256:c9399267c926a4e7c418baa5cbe91c7d1cf362d505a1ef898fde44a07c9dd8a5"
+                "sha256:0fe2d45ba43b00a41cd73f8be321a44936dc1aba233dee979f17a042b83eb6dc",
+                "sha256:22aed82c2ea340c3771e3babc5ef220272f6fd06b5108a53b4976d0d722bcd52",
+                "sha256:2c027eb2a393d964b22b5c154d1a23a5f8727db6fda837118a776b29e2b8ebc6",
+                "sha256:5217e601700f24e966ddab689f90b7ea4bd91ff3357c3600fa1045e26d68e55d",
+                "sha256:5618f72e947533832cbc3dec54e1dffc1747a5cb17d1fd91577ed14fa0dc081b",
+                "sha256:5f6a07e62e799be5d2330e68d808c8ac41d4a259b9cea61da4101b83cb5dc673",
+                "sha256:c58d56003daf1b616336781b26d184023ea4af13ae143d9dda65e31e534940b9",
+                "sha256:c952975c8ba74f546ae6de2e226ab3cc3cc11ae47baf607459a6728585bb542a",
+                "sha256:c98232a3ac391f5faea6821b53db8db461157baa788f5d6222a193e9456e1740"
             ],
-            "version": "==6.0.3"
+            "version": "==6.0.4"
         },
         "traitlets": {
             "hashes": [
-                "sha256:9c4bd2d267b7153df9152698efb1050a5d84982d3384a37b2c1f7723ba3e7835",
-                "sha256:c6cb5e6f57c5a9bdaa40fa71ce7b4af30298fbab9ece9815b5d995ab6217c7d9"
+                "sha256:70b4c6a1d9019d7b4f6846832288f86998aa3b9207c6821f3578a6a6a467fe44",
+                "sha256:d023ee369ddd2763310e4c3eae1ff649689440d4ae59d7485eb4cfbbe3e359f7"
             ],
-            "version": "==4.3.2"
+            "version": "==4.3.3"
         },
         "typed-ast": {
             "hashes": [
-                "sha256:18511a0b3e7922276346bcb47e2ef9f38fb90fd31cb9223eed42c85d1312344e",
-                "sha256:262c247a82d005e43b5b7f69aff746370538e176131c32dda9cb0f324d27141e",
-                "sha256:2b907eb046d049bcd9892e3076c7a6456c93a25bebfe554e931620c90e6a25b0",
-                "sha256:354c16e5babd09f5cb0ee000d54cfa38401d8b8891eefa878ac772f827181a3c",
-                "sha256:4e0b70c6fc4d010f8107726af5fd37921b666f5b31d9331f0bd24ad9a088e631",
-                "sha256:630968c5cdee51a11c05a30453f8cd65e0cc1d2ad0d9192819df9978984529f4",
-                "sha256:66480f95b8167c9c5c5c87f32cf437d585937970f3fc24386f313a4c97b44e34",
-                "sha256:71211d26ffd12d63a83e079ff258ac9d56a1376a25bc80b1cdcdf601b855b90b",
-                "sha256:95bd11af7eafc16e829af2d3df510cecfd4387f6453355188342c3e79a2ec87a",
-                "sha256:bc6c7d3fa1325a0c6613512a093bc2a2a15aeec350451cbdf9e1d4bffe3e3233",
-                "sha256:cc34a6f5b426748a507dd5d1de4c1978f2eb5626d51326e43280941206c209e1",
-                "sha256:d755f03c1e4a51e9b24d899561fec4ccaf51f210d52abdf8c07ee2849b212a36",
-                "sha256:d7c45933b1bdfaf9f36c579671fec15d25b06c8398f113dab64c18ed1adda01d",
-                "sha256:d896919306dd0aa22d0132f62a1b78d11aaf4c9fc5b3410d3c666b818191630a",
-                "sha256:ffde2fbfad571af120fcbfbbc61c72469e72f550d676c3342492a9dfdefb8f12"
-            ],
-            "markers": "implementation_name == 'cpython'",
-            "version": "==1.4.0"
+                "sha256:0666aa36131496aed8f7be0410ff974562ab7eeac11ef351def9ea6fa28f6355",
+                "sha256:0c2c07682d61a629b68433afb159376e24e5b2fd4641d35424e462169c0a7919",
+                "sha256:249862707802d40f7f29f6e1aad8d84b5aa9e44552d2cc17384b209f091276aa",
+                "sha256:24995c843eb0ad11a4527b026b4dde3da70e1f2d8806c99b7b4a7cf491612652",
+                "sha256:269151951236b0f9a6f04015a9004084a5ab0d5f19b57de779f908621e7d8b75",
+                "sha256:4083861b0aa07990b619bd7ddc365eb7fa4b817e99cf5f8d9cf21a42780f6e01",
+                "sha256:498b0f36cc7054c1fead3d7fc59d2150f4d5c6c56ba7fb150c013fbc683a8d2d",
+                "sha256:4e3e5da80ccbebfff202a67bf900d081906c358ccc3d5e3c8aea42fdfdfd51c1",
+                "sha256:6daac9731f172c2a22ade6ed0c00197ee7cc1221aa84cfdf9c31defeb059a907",
+                "sha256:715ff2f2df46121071622063fc7543d9b1fd19ebfc4f5c8895af64a77a8c852c",
+                "sha256:73d785a950fc82dd2a25897d525d003f6378d1cb23ab305578394694202a58c3",
+                "sha256:8c8aaad94455178e3187ab22c8b01a3837f8ee50e09cf31f1ba129eb293ec30b",
+                "sha256:8ce678dbaf790dbdb3eba24056d5364fb45944f33553dd5869b7580cdbb83614",
+                "sha256:aaee9905aee35ba5905cfb3c62f3e83b3bec7b39413f0a7f19be4e547ea01ebb",
+                "sha256:bcd3b13b56ea479b3650b82cabd6b5343a625b0ced5429e4ccad28a8973f301b",
+                "sha256:c9e348e02e4d2b4a8b2eedb48210430658df6951fa484e59de33ff773fbd4b41",
+                "sha256:d205b1b46085271b4e15f670058ce182bd1199e56b317bf2ec004b6a44f911f6",
+                "sha256:d43943ef777f9a1c42bf4e552ba23ac77a6351de620aa9acf64ad54933ad4d34",
+                "sha256:d5d33e9e7af3b34a40dc05f498939f0ebf187f07c385fd58d591c533ad8562fe",
+                "sha256:fc0fea399acb12edbf8a628ba8d2312f583bdbdb3335635db062fa98cf71fca4",
+                "sha256:fe460b922ec15dd205595c9b5b99e2f056fd98ae8f9f56b888e7a17dc2b757e7"
+            ],
+            "markers": "implementation_name == 'cpython' and python_version < '3.8'",
+            "version": "==1.4.1"
         },
         "urllib3": {
             "hashes": [
-                "sha256:b246607a25ac80bedac05c6f282e3cdaf3afb65420fd024ac94435cabe6e18d1",
-                "sha256:dbe59173209418ae49d485b87d1681aefa36252ee85884c31346debd19463232"
+                "sha256:2f3db8b19923a873b3e5256dc9c2dedfa883e33d87c690d9c7913e1f40673cdc",
+                "sha256:87716c2d2a7121198ebcb7ce7cccf6ce5e9ba539041cfbaeecfb641dc0bf6acc"
             ],
-            "version": "==1.25.3"
+            "version": "==1.25.8"
         },
         "virtualenv": {
             "hashes": [
-                "sha256:6cb2e4c18d22dbbe283d0a0c31bb7d90771a606b2cb3415323eea008eaee6a9d",
-                "sha256:909fe0d3f7c9151b2df0a2cb53e55bdb7b0d61469353ff7a49fd47b0f0ab9285"
+                "sha256:4e399f48c6b71228bf79f5febd27e3bbb753d9d5905776a86667bc61ab628a25",
+                "sha256:9e81279f4a9d16d1c0654a127c2c86e5bca2073585341691882c1e66e31ef8a5"
             ],
-            "version": "==16.7.2"
+            "version": "==20.0.15"
         },
         "wcwidth": {
             "hashes": [
-                "sha256:3df37372226d6e63e1b1e1eda15c594bca98a22d33a23832a90998faa96bc65e",
-                "sha256:f4ebe71925af7b40a864553f761ed559b43544f8f71746c2d756c7fe788ade7c"
+                "sha256:cafe2186b3c009a04067022ce1dcd79cb38d8d65ee4f4791b8888d6599d1bbe1",
+                "sha256:ee73862862a156bf77ff92b09034fc4825dd3af9cf81bc5b360668d425f3c5f1"
             ],
-            "version": "==0.1.7"
+            "version": "==0.1.9"
         },
         "webencodings": {
             "hashes": [
@@ -862,10 +894,10 @@
         },
         "widgetsnbextension": {
             "hashes": [
-                "sha256:079f87d87270bce047512400efd70238820751a11d2d8cb137a5a5bdbaf255c7",
-                "sha256:bd314f8ceb488571a5ffea6cc5b9fc6cba0adaf88a9d2386b93a489751938bcd"
+                "sha256:cb6181b4037da02deeabab39d5cb1113a7390aee7468b1f8237c2abbd6df6107",
+                "sha256:fee3b6ec261393db5b4ec7c4fc96bf85c146cc6e5f38069c27d54fb7892bbb15"
             ],
-            "version": "==3.5.1"
+            "version": "==4.0.0a0"
         },
         "wrapt": {
             "hashes": [
@@ -875,44 +907,55 @@
         },
         "zipp": {
             "hashes": [
-                "sha256:4970c3758f4e89a7857a973b1e2a5d75bcdc47794442f2e2dd4fe8e0466e809a",
-                "sha256:8a5712cfd3bb4248015eb3b0b3c54a5f6ee3f2425963ef2a0125b8bc40aafaec"
+                "sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b",
+                "sha256:c599e4d75c98f6798c509911d08a22e6c021d074469042177c8c86fb92eefd96"
             ],
-            "version": "==0.5.2"
+            "version": "==3.1.0"
         },
         "zope.interface": {
             "hashes": [
-                "sha256:086707e0f413ff8800d9c4bc26e174f7ee4c9c8b0302fbad68d083071822316c",
-                "sha256:1157b1ec2a1f5bf45668421e3955c60c610e31913cc695b407a574efdbae1f7b",
-                "sha256:11ebddf765bff3bbe8dbce10c86884d87f90ed66ee410a7e6c392086e2c63d02",
-                "sha256:14b242d53f6f35c2d07aa2c0e13ccb710392bcd203e1b82a1828d216f6f6b11f",
-                "sha256:1b3d0dcabc7c90b470e59e38a9acaa361be43b3a6ea644c0063951964717f0e5",
-                "sha256:20a12ab46a7e72b89ce0671e7d7a6c3c1ca2c2766ac98112f78c5bddaa6e4375",
-                "sha256:298f82c0ab1b182bd1f34f347ea97dde0fffb9ecf850ecf7f8904b8442a07487",
-                "sha256:2f6175722da6f23dbfc76c26c241b67b020e1e83ec7fe93c9e5d3dd18667ada2",
-                "sha256:3b877de633a0f6d81b600624ff9137312d8b1d0f517064dfc39999352ab659f0",
-                "sha256:4265681e77f5ac5bac0905812b828c9fe1ce80c6f3e3f8574acfb5643aeabc5b",
-                "sha256:550695c4e7313555549aa1cdb978dc9413d61307531f123558e438871a883d63",
-                "sha256:5f4d42baed3a14c290a078e2696c5f565501abde1b2f3f1a1c0a94fbf6fbcc39",
-                "sha256:62dd71dbed8cc6a18379700701d959307823b3b2451bdc018594c48956ace745",
-                "sha256:7040547e5b882349c0a2cc9b50674b1745db551f330746af434aad4f09fba2cc",
-                "sha256:7e099fde2cce8b29434684f82977db4e24f0efa8b0508179fce1602d103296a2",
-                "sha256:7e5c9a5012b2b33e87980cee7d1c82412b2ebabcb5862d53413ba1a2cfde23aa",
-                "sha256:81295629128f929e73be4ccfdd943a0906e5fe3cdb0d43ff1e5144d16fbb52b1",
-                "sha256:95cc574b0b83b85be9917d37cd2fad0ce5a0d21b024e1a5804d044aabea636fc",
-                "sha256:968d5c5702da15c5bf8e4a6e4b67a4d92164e334e9c0b6acf080106678230b98",
-                "sha256:9e998ba87df77a85c7bed53240a7257afe51a07ee6bc3445a0bf841886da0b97",
-                "sha256:a0c39e2535a7e9c195af956610dba5a1073071d2d85e9d2e5d789463f63e52ab",
-                "sha256:a15e75d284178afe529a536b0e8b28b7e107ef39626a7809b4ee64ff3abc9127",
-                "sha256:a6a6ff82f5f9b9702478035d8f6fb6903885653bff7ec3a1e011edc9b1a7168d",
-                "sha256:b639f72b95389620c1f881d94739c614d385406ab1d6926a9ffe1c8abbea23fe",
-                "sha256:bad44274b151d46619a7567010f7cde23a908c6faa84b97598fd2f474a0c6891",
-                "sha256:bbcef00d09a30948756c5968863316c949d9cedbc7aabac5e8f0ffbdb632e5f1",
-                "sha256:d788a3999014ddf416f2dc454efa4a5dbeda657c6aba031cf363741273804c6b",
-                "sha256:eed88ae03e1ef3a75a0e96a55a99d7937ed03e53d0cffc2451c208db445a2966",
-                "sha256:f99451f3a579e73b5dd58b1b08d1179791d49084371d9a47baad3b22417f0317"
-            ],
-            "version": "==4.6.0"
+                "sha256:05e2c0941019f59183c98ef534c6410c9fc9d95f21fcd46007fce961f3943778",
+                "sha256:08d30808c544da76667c0b7a90000a2b9d25bdc592424d408d468ef54ac04af0",
+                "sha256:0bb6335c71a132595ce53ed7eff7dae54929f323d5f61ae3710de12d9d0750b5",
+                "sha256:0da28336e5892849c80d503a97de61a9d48fa306b7d5664e664ed1125e996bb3",
+                "sha256:1cbd28568d12910d23329e927d78b7673599da8e61421d386e71954941540532",
+                "sha256:2b0963ec84be714748cb8435b54a470c3d22a615731a82055705b297f22a42c7",
+                "sha256:2b7efc78979fd901f51a5db6400f37ad45309eaaea3cfb40c46e9cd1ed24d2b0",
+                "sha256:2ecc83203110944e2c073513ef6046e524bd31067584affd93f7ccf10e43a738",
+                "sha256:3212d94fc4f25c9363ef9628003dc5a1035b23937886032bbf3ca2af7bfed682",
+                "sha256:3d2fc97c745cd39c692e43e6a49f1418c8fd3ffc05cffbb9b1f564c682737afb",
+                "sha256:419383114c8eba39cdf8839bee9a0c509d0a93ae93fca584b3523317fc8748af",
+                "sha256:42318b167394cfa90c84b204a3d342c54fe5aa7e44d92c40cdfc194de41b85ac",
+                "sha256:44dfbf553e917343208d03a93b633997e375640ef6dfd22c66ef39c8302c192c",
+                "sha256:4b6bcb48b38b04dd438853d3ef98797dffc58ec0cd572c2dd97394a27cd12ac7",
+                "sha256:4c462c01655c38d314a56d16433e10cbd00a41b3dc15d87feae09a6852e14be0",
+                "sha256:4d7e6ff4f63303711481060cf66f80023bf5df50d02eba74ca5848d6ef47c97b",
+                "sha256:513a31ad7b79b258568115f14af02c987180214378919119f29fd346df7c3427",
+                "sha256:53076f07bc20b5776065b1c66af34ae2b5232b4bb998006d9b417ca0351c8344",
+                "sha256:67267aa6764f488833f92d9d6889239af92bd80b4c99cc76e7f847f660e660fa",
+                "sha256:71b13d6d98d004b9ada84b8028d392d0c4a921ee7501cde907351ce45563a94d",
+                "sha256:78c54147f1c011208e90fa948b652d3b3b70184efa6796a8945a67f9baec4071",
+                "sha256:7c9d3a9ff685fbedb0e1f7c39a4aeb27ebda91f6f78df4e49190ece8bd59f65f",
+                "sha256:815dd1e7bcfd4a3d22315f02e3aed0985b7a56ea2550081036f15e8e4cd9304b",
+                "sha256:8f29045db9571f3efe796606ac92d79e4d3ff211efe3ce6d2af43bcae4caf8d3",
+                "sha256:8fb2e2932eb1b469cbfbf53e0bc4ac96a06244efdfb934367c488a32c6623915",
+                "sha256:9940192866ee862cc0ec0ababd5f22a72085fc685b98ad46fc20e527954f5c55",
+                "sha256:9e86ab0937c09debf3f46bfe7fdbb8538843d94144b225abe9d11f66c638c59d",
+                "sha256:a7378e93c4d629104619315a1822be12ac5cfd5abc9f74b0fd96eebdff748704",
+                "sha256:aa4cc7980bd7584de1bb1652c3f6acd94c6768b208131302d25356ee685bf427",
+                "sha256:b99b0045b20b760729084f98d61dcebb66fc2da9eaace932d9caa79715848cc1",
+                "sha256:bb8cbd3ea529ce054206f3abc9d4f02b2047ef16f30d4b2b824189076bb0d44b",
+                "sha256:bd22edb2167169b19482b23c3f331e54f4223c2a901237764a94528f8d903047",
+                "sha256:bdcbf86916bee71de9263d172b9dad64f9969406efde8beae46d0450f3f019b8",
+                "sha256:c08078a7adefccff647d1e51a4f86575f0e7a0ea14f5bf8ed9d111d11e127689",
+                "sha256:c8e7defcfb6b4b49a15f5d1ff2bc5f20e9d58fbca7e51c9e59d8232ccafa222a",
+                "sha256:ce1d3bb5154e28b4dd07daa8439b7acfcec68284eafe58754e507f9fbbf83939",
+                "sha256:e3c732a2787cb4d06d3392091560a754368f209f497e3998b56d2fcd83db6b25",
+                "sha256:f6813247e7550b590bc673171ee4ebb8ad8e16d465c1e1995923d6c7f3b1c50e",
+                "sha256:f6efb3b3f3182be09f62e9a3f09f8055e02cb2439ec39ac2a54cdddd72f36ad9",
+                "sha256:f80c9cdfdd05ffc6a6c1e22e8d1a151ba5c5544dcfc765ac5e249450e2ff9b2c"
+            ],
+            "version": "==5.0.2"
         }
     },
     "develop": {}
diff --git a/requirements.txt b/requirements.txt
index d713350..f54cbad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,106 +1,108 @@
--i https://pypi.org/simple
+-i https://pypi.org/simple/
 alabaster==0.7.12
 appdirs==1.4.3
-appnope==0.1.0 ; sys_platform == 'darwin'
 aspy.yaml==1.3.0
-astroid==2.2.5
+astroid==2.3.3
 atomicwrites==1.3.0
-attrs==19.1.0
-babel==2.7.0
+attrs==19.3.0
+babel==2.8.0
 backcall==0.1.0
 black==19.3b0
-bleach==3.1.0
-certifi==2019.6.16
-cfgv==2.0.1
+bleach==3.1.4
+certifi==2019.11.28
+cfgv==3.1.0
 chardet==3.0.4
-click==7.0
-commonmark==0.9.0
+click==7.1.1
+commonmark==0.9.1
 datetime==4.3
-decorator==4.4.0
+decorator==4.4.2
 defusedxml==0.6.0
-docutils==0.15.2
+distlib==0.3.0
+docutils==0.16
 entrypoints==0.3
+filelock==3.0.12
 flake8==3.7.8
-future==0.17.1
 geojson==2.4.1
-identify==1.4.5
-idna==2.8
-imagesize==1.1.0
-importlib-metadata==0.19
-ipykernel==5.1.2
+identify==1.4.13
+idna==2.9
+imagesize==1.2.0
+importlib-metadata==1.6.0 ; python_version < '3.8'
+ipykernel==5.2.0
 ipython-genutils==0.2.0
-ipython==7.7.0 ; python_version >= '3.3'
-ipywidgets==7.5.1
+ipython==7.13.0
+ipywidgets==8.0.0a0
 isort==4.3.21
-jedi==0.14.1
-jinja2==2.10.1
-jsonschema==3.0.2
-jupyter-client==5.3.1
-jupyter-console==6.0.0
-jupyter-core==4.5.0
+jedi==0.16.0
+jinja2==3.0.0a1
+jsonschema==3.2.0
+jupyter-client==6.1.2
+jupyter-console==6.1.0
+jupyter-core==4.6.3
 jupyter==1.0.0
-lazy-object-proxy==1.4.1
+jupyterlab-pygments==0.1.0
+lazy-object-proxy==1.4.3
 markupsafe==1.1.1
 mccabe==0.6.1
 mistune==0.8.4
-more-itertools==7.2.0
-nbconvert==5.5.0
-nbformat==4.4.0
+more-itertools==8.2.0
+nbconvert==6.0.0a0
+nbformat==5.0.4
 nbsphinx==0.4.2
-nodeenv==1.3.3
-notebook==6.0.0
+nodeenv==1.3.5
+notebook==6.0.3
 numpy==1.17.0
-packaging==19.1
+packaging==20.3
 pandas==0.25.0
 pandocfilters==1.4.2
-parso==0.5.1
-pexpect==4.7.0 ; sys_platform != 'win32'
+parso==0.6.2
+pexpect==4.8.0 ; sys_platform != 'win32'
 pickleshare==0.7.5
 plotly==4.1.0
-pluggy==0.12.0
+pluggy==0.13.1
 pre-commit==1.18.0
 prometheus-client==0.7.1
-prompt-toolkit==2.0.9
+prompt-toolkit==3.0.5
 ptyprocess==0.6.0 ; os_name != 'nt'
-py==1.8.0
+py==1.8.1
 pycodestyle==2.5.0
 pyflakes==2.1.1
-pygments==2.4.2
+pygments==2.6.1
 pylint==2.3.1
-pyparsing==2.4.2
-pyrsistent==0.15.4
+pyparsing==2.4.6
+pyrsistent==0.16.0
 pytest==5.0.1
-python-dateutil==2.8.0
-pytz==2019.2
+python-dateutil==2.8.1
+pytz==2019.3
 pyyaml==5.1.2
-pyzmq==18.1.0
-qtconsole==4.5.2
+pyzmq==19.0.0
+qtconsole==4.7.2
+qtpy==1.9.0
 recommonmark==0.5.0
-requests==2.22.0
+requests==2.23.0
 retrying==1.3.3
 send2trash==1.5.0
-six==1.12.0
-snowballstemmer==1.9.0
+six==1.14.0
+snowballstemmer==2.0.0
 sphinx-automodapi==0.11
 sphinx-rtd-theme==0.4.3
 sphinx==2.1.2
-sphinxcontrib-applehelp==1.0.1
-sphinxcontrib-devhelp==1.0.1
-sphinxcontrib-htmlhelp==1.0.2
+sphinxcontrib-applehelp==1.0.2
+sphinxcontrib-devhelp==1.0.2
+sphinxcontrib-htmlhelp==1.0.3
 sphinxcontrib-jsmath==1.0.1
-sphinxcontrib-qthelp==1.0.2
-sphinxcontrib-serializinghtml==1.1.3
-terminado==0.8.2
-testpath==0.4.2
+sphinxcontrib-qthelp==1.0.3
+sphinxcontrib-serializinghtml==1.1.4
+terminado==0.8.3
+testpath==0.4.4
 toml==0.10.0
-tornado==6.0.3
-traitlets==4.3.2
-typed-ast==1.4.0 ; implementation_name == 'cpython'
-urllib3==1.25.3
-virtualenv==16.7.2
-wcwidth==0.1.7
+tornado==6.0.4
+traitlets==4.3.3
+typed-ast==1.4.1 ; implementation_name == 'cpython' and python_version < '3.8'
+urllib3==1.25.8
+virtualenv==20.0.15
+wcwidth==0.1.9
 webencodings==0.5.1
-widgetsnbextension==3.5.1
+widgetsnbextension==4.0.0a0
 wrapt==1.11.2
-zipp==0.5.2
-zope.interface==4.6.0
+zipp==3.1.0
+zope.interface==5.0.2