diff --git a/.gitignore b/.gitignore
index 83a6980..4572043 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,4 @@
 composer.phar
 vendor/
 *.zip
-
-# Commit your application's lock file http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file
-# You may choose to ignore a library lock file http://getcomposer.org/doc/02-libraries.md#lock-file
-# composer.lock
+composer.lock
\ No newline at end of file
diff --git a/composer.json b/composer.json
index f227a8c..756546a 100644
--- a/composer.json
+++ b/composer.json
@@ -2,8 +2,8 @@
     "name" : "pdffiller/pdffiller-php-api-client",
     "description": "PHP client for pdffiller.com REST API",
     "require": {
-        "league/oauth2-client": "^1.0",
-        "symfony/translation": "^3.0"
+        "league/oauth2-client": "^1.0 || ^2.0",
+        "symfony/translation": "^4.0"
     },
     "require-dev": {
         "adammbalogh/key-value-store-file": "^0.5.3",
diff --git a/composer.lock b/composer.lock
deleted file mode 100644
index ba388ed..0000000
--- a/composer.lock
+++ /dev/null
@@ -1,872 +0,0 @@
-{
-    "_readme": [
-        "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
-        "This file is @generated automatically"
-    ],
-    "hash": "b32a69ec1f924776c7b6012afb6b03f7",
-    "content-hash": "ab8daf79362de1141b586334faa79aab",
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-            "name": "guzzlehttp/guzzle",
-            "version": "6.1.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "66fd14b4d0b8f2389eaf37c5458608c7cb793a81"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/66fd14b4d0b8f2389eaf37c5458608c7cb793a81",
-                "reference": "66fd14b4d0b8f2389eaf37c5458608c7cb793a81",
-                "shasum": ""
-            },
-            "require": {
-                "guzzlehttp/promises": "~1.0",
-                "guzzlehttp/psr7": "~1.1",
-                "php": ">=5.5.0"
-            },
-            "require-dev": {
-                "ext-curl": "*",
-                "phpunit/phpunit": "~4.0",
-                "psr/log": "~1.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "6.1-dev"
-                }
-            },
-            "autoload": {
-                "files": [
-                    "src/functions_include.php"
-                ],
-                "psr-4": {
-                    "GuzzleHttp\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Michael Dowling",
-                    "email": "mtdowling@gmail.com",
-                    "homepage": "https://github.com/mtdowling"
-                }
-            ],
-            "description": "Guzzle is a PHP HTTP client library",
-            "homepage": "http://guzzlephp.org/",
-            "keywords": [
-                "client",
-                "curl",
-                "framework",
-                "http",
-                "http client",
-                "rest",
-                "web service"
-            ],
-            "time": "2015-09-08 17:36:26"
-        },
-        {
-            "name": "guzzlehttp/promises",
-            "version": "1.0.3",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/guzzle/promises.git",
-                "reference": "b1e1c0d55f8083c71eda2c28c12a228d708294ea"
-            },
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-                "reference": "b1e1c0d55f8083c71eda2c28c12a228d708294ea",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.5.0"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "~4.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "GuzzleHttp\\Promise\\": "src/"
-                },
-                "files": [
-                    "src/functions_include.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Michael Dowling",
-                    "email": "mtdowling@gmail.com",
-                    "homepage": "https://github.com/mtdowling"
-                }
-            ],
-            "description": "Guzzle promises library",
-            "keywords": [
-                "promise"
-            ],
-            "time": "2015-10-15 22:28:00"
-        },
-        {
-            "name": "guzzlehttp/psr7",
-            "version": "1.2.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/guzzle/psr7.git",
-                "reference": "4ef919b0cf3b1989523138b60163bbcb7ba1ff7e"
-            },
-            "dist": {
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-                "reference": "4ef919b0cf3b1989523138b60163bbcb7ba1ff7e",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.4.0",
-                "psr/http-message": "~1.0"
-            },
-            "provide": {
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-            },
-            "require-dev": {
-                "phpunit/phpunit": "~4.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "GuzzleHttp\\Psr7\\": "src/"
-                },
-                "files": [
-                    "src/functions_include.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
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-                    "email": "mtdowling@gmail.com",
-                    "homepage": "https://github.com/mtdowling"
-                }
-            ],
-            "description": "PSR-7 message implementation",
-            "keywords": [
-                "http",
-                "message",
-                "stream",
-                "uri"
-            ],
-            "time": "2015-08-15 19:32:36"
-        },
-        {
-            "name": "ircmaxell/random-lib",
-            "version": "v1.1.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/ircmaxell/RandomLib.git",
-                "reference": "13efa4368bb2ac88bb3b1459b487d907de4dbf7c"
-            },
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-                "reference": "13efa4368bb2ac88bb3b1459b487d907de4dbf7c",
-                "shasum": ""
-            },
-            "require": {
-                "ircmaxell/security-lib": "1.0.*@dev",
-                "php": ">=5.3.2"
-            },
-            "require-dev": {
-                "mikey179/vfsstream": "1.1.*",
-                "phpunit/phpunit": "3.7.*"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-0": {
-                    "RandomLib": "lib"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Anthony Ferrara",
-                    "email": "ircmaxell@ircmaxell.com",
-                    "homepage": "http://blog.ircmaxell.com"
-                }
-            ],
-            "description": "A Library For Generating Secure Random Numbers",
-            "homepage": "https://github.com/ircmaxell/RandomLib",
-            "keywords": [
-                "cryptography",
-                "random",
-                "random-numbers",
-                "random-strings"
-            ],
-            "time": "2015-01-15 16:31:45"
-        },
-        {
-            "name": "ircmaxell/security-lib",
-            "version": "1.0.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/ircmaxell/SecurityLib.git",
-                "reference": "80934de3c482dcafb46b5756e59ebece082b6dc7"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/ircmaxell/SecurityLib/zipball/80934de3c482dcafb46b5756e59ebece082b6dc7",
-                "reference": "80934de3c482dcafb46b5756e59ebece082b6dc7",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.2"
-            },
-            "require-dev": {
-                "mikey179/vfsstream": "1.1.*"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-0": {
-                    "SecurityLib": "lib"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
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-                    "name": "Anthony Ferrara",
-                    "email": "ircmaxell@ircmaxell.com",
-                    "homepage": "http://blog.ircmaxell.com"
-                }
-            ],
-            "description": "A Base Security Library",
-            "homepage": "https://github.com/ircmaxell/PHP-SecurityLib",
-            "time": "2013-04-30 18:00:34"
-        },
-        {
-            "name": "league/oauth2-client",
-            "version": "1.0.2",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/thephpleague/oauth2-client.git",
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-            },
-            "require": {
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-                "guzzlehttp/guzzle": "~6.0",
-                "ircmaxell/random-lib": "~1.1",
-                "php": ">=5.5.0"
-            },
-            "require-dev": {
-                "jakub-onderka/php-parallel-lint": "0.8.*",
-                "mockery/mockery": "~0.9",
-                "phpunit/phpunit": "~4.0",
-                "satooshi/php-coveralls": "0.6.*",
-                "squizlabs/php_codesniffer": "~2.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "League\\OAuth2\\Client\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
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-                    "name": "Alex Bilbie",
-                    "email": "hello@alexbilbie.com",
-                    "homepage": "http://www.alexbilbie.com",
-                    "role": "Developer"
-                }
-            ],
-            "description": "OAuth 2.0 Client Library",
-            "keywords": [
-                "Authentication",
-                "SSO",
-                "authorization",
-                "identity",
-                "idp",
-                "oauth",
-                "oauth2",
-                "single sign on"
-            ],
-            "time": "2015-09-22 18:26:19"
-        },
-        {
-            "name": "psr/http-message",
-            "version": "1.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/php-fig/http-message.git",
-                "reference": "85d63699f0dbedb190bbd4b0d2b9dc707ea4c298"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/http-message/zipball/85d63699f0dbedb190bbd4b0d2b9dc707ea4c298",
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-            },
-            "require": {
-                "php": ">=5.3.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Psr\\Http\\Message\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
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-            ],
-            "authors": [
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-                    "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
-                }
-            ],
-            "description": "Common interface for HTTP messages",
-            "keywords": [
-                "http",
-                "http-message",
-                "psr",
-                "psr-7",
-                "request",
-                "response"
-            ],
-            "time": "2015-05-04 20:22:00"
-        },
-        {
-            "name": "symfony/polyfill-mbstring",
-            "version": "v1.1.0",
-            "source": {
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-                "url": "https://github.com/symfony/polyfill-mbstring.git",
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-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.3"
-            },
-            "suggest": {
-                "ext-mbstring": "For best performance"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.1-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
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-                },
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-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
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-            ],
-            "authors": [
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-                    "email": "p@tchwork.com"
-                },
-                {
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-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony polyfill for the Mbstring extension",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "compatibility",
-                "mbstring",
-                "polyfill",
-                "portable",
-                "shim"
-            ],
-            "time": "2016-01-20 09:13:37"
-        },
-        {
-            "name": "symfony/translation",
-            "version": "v3.0.3",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/translation.git",
-                "reference": "2de0b6f7ebe43cffd8a06996ebec6aab79ea9e91"
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-            "dist": {
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-                "url": "https://api.github.com/repos/symfony/translation/zipball/2de0b6f7ebe43cffd8a06996ebec6aab79ea9e91",
-                "reference": "2de0b6f7ebe43cffd8a06996ebec6aab79ea9e91",
-                "shasum": ""
-            },
-            "require": {
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-                "symfony/polyfill-mbstring": "~1.0"
-            },
-            "conflict": {
-                "symfony/config": "<2.8"
-            },
-            "require-dev": {
-                "psr/log": "~1.0",
-                "symfony/config": "~2.8|~3.0",
-                "symfony/intl": "~2.8|~3.0",
-                "symfony/yaml": "~2.8|~3.0"
-            },
-            "suggest": {
-                "psr/log": "To use logging capability in translator",
-                "symfony/config": "",
-                "symfony/yaml": ""
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.0-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Symfony\\Component\\Translation\\": ""
-                },
-                "exclude-from-classmap": [
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-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
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-            ],
-            "authors": [
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-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony Translation Component",
-            "homepage": "https://symfony.com",
-            "time": "2016-02-02 13:44:19"
-        }
-    ],
-    "packages-dev": [
-        {
-            "name": "adammbalogh/key-value-store",
-            "version": "0.5.2",
-            "source": {
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-                "url": "https://github.com/adammbalogh/key-value-store.git",
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-            },
-            "dist": {
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-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.4.0"
-            },
-            "require-dev": {
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-                "phpmd/phpmd": "~2.1",
-                "phpunit/phpunit": "~4.2.5",
-                "satooshi/php-coveralls": "dev-master",
-                "squizlabs/php_codesniffer": "~1.5"
-            },
-            "suggest": {
-                "adammbalogh/key-value-store-file": "For using File storage",
-                "adammbalogh/key-value-store-memcached": "For using Memcached storage",
-                "adammbalogh/key-value-store-memory": "For using Memory storage",
-                "adammbalogh/key-value-store-null": "For using Null storage",
-                "adammbalogh/key-value-store-redis": "For using Redis storage",
-                "adammbalogh/key-value-store-replicator": "For using Replicator adapter",
-                "adammbalogh/key-value-store-shared-memory": "For using Shared Memory storage"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "AdammBalogh\\KeyValueStore\\": "src"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Adam Balogh",
-                    "email": "baloghbh@gmail.com",
-                    "homepage": "http://code-chronicle.blogspot.com",
-                    "role": "Developer"
-                }
-            ],
-            "description": "Key-value store generic package. It contains abstractions.",
-            "keywords": [
-                "key",
-                "key-value",
-                "nosql",
-                "store",
-                "value"
-            ],
-            "time": "2014-10-22 15:44:11"
-        },
-        {
-            "name": "adammbalogh/key-value-store-file",
-            "version": "0.5.3",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/adammbalogh/key-value-store-file.git",
-                "reference": "f9a3f6d1ac3470451ff59f09b2c739752b5354b0"
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-            "require": {
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-                "fire015/flintstone": "~1.6.0",
-                "php": ">=5.4.0"
-            },
-            "require-dev": {
-                "mikey179/vfsstream": "~1.4",
-                "phpunit/phpunit": "~4.2.5",
-                "satooshi/php-coveralls": "dev-master",
-                "squizlabs/php_codesniffer": "~1.5"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "AdammBalogh\\KeyValueStore\\": "src"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Adam Balogh",
-                    "email": "baloghbh@gmail.com",
-                    "homepage": "http://code-chronicle.blogspot.com",
-                    "role": "Developer"
-                }
-            ],
-            "description": "Key-value file store through fire015/flintstone package.",
-            "keywords": [
-                "file",
-                "flintstone",
-                "key",
-                "key-value",
-                "key-value-file",
-                "nosql",
-                "store",
-                "value"
-            ],
-            "time": "2014-10-20 17:36:08"
-        },
-        {
-            "name": "fire015/flintstone",
-            "version": "v1.6.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/fire015/flintstone.git",
-                "reference": "3b4add7f143c1cededd6347d7dcf5519f2354e0a"
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-                "php": ">=5.3.0"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-0": {
-                    "Flintstone": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Jason M",
-                    "email": "emailfire@gmail.com"
-                }
-            ],
-            "description": "A key/value database store using flat files for PHP",
-            "homepage": "http://www.xeweb.net/flintstone/",
-            "keywords": [
-                "cache",
-                "database",
-                "files",
-                "flintstone",
-                "memory"
-            ],
-            "time": "2014-09-30 08:31:08"
-        },
-        {
-            "name": "larapack/dd",
-            "version": "1.0",
-            "source": {
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-            },
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-                "files": [
-                    "src/helper.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
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-            ],
-            "authors": [
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-                    "name": "Mark Topper",
-                    "email": "hi@webman.io"
-                }
-            ],
-            "description": "`dd` is a helper method in Laravel. This package will add the `dd` to your application.",
-            "time": "2015-06-10 11:33:45"
-        },
-        {
-            "name": "nesbot/carbon",
-            "version": "1.21.0",
-            "source": {
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-                "symfony/translation": "~2.6|~3.0"
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-            "require-dev": {
-                "phpunit/phpunit": "~4.0|~5.0"
-            },
-            "type": "library",
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-                "psr-4": {
-                    "Carbon\\": "src/Carbon/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
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-            ],
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-                    "name": "Brian Nesbitt",
-                    "email": "brian@nesbot.com",
-                    "homepage": "http://nesbot.com"
-                }
-            ],
-            "description": "A simple API extension for DateTime.",
-            "homepage": "http://carbon.nesbot.com",
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-                "date",
-                "datetime",
-                "time"
-            ],
-            "time": "2015-11-04 20:07:17"
-        },
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-            "source": {
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-            },
-            "type": "library",
-            "extra": {
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-                }
-            },
-            "autoload": {
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-                    "Resources/functions/dump.php"
-                ],
-                "psr-4": {
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-                }
-            },
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-                    "email": "p@tchwork.com"
-                },
-                {
-                    "name": "Symfony Community",
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-                }
-            ],
-            "description": "Symfony mechanism for exploring and dumping PHP variables",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "debug",
-                "dump"
-            ],
-            "time": "2015-10-25 17:17:38"
-        },
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-            "version": "v2.1.0",
-            "source": {
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-                "phpunit/phpunit": "~4.0"
-            },
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-            "notification-url": "https://packagist.org/downloads/",
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-            "authors": [
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-                    "email": "vance@vancelucas.com",
-                    "homepage": "http://www.vancelucas.com"
-                }
-            ],
-            "description": "Loads environment variables from `.env` to `getenv()`, `$_ENV` and `$_SERVER` automagically.",
-            "homepage": "http://github.com/vlucas/phpdotenv",
-            "keywords": [
-                "dotenv",
-                "env",
-                "environment"
-            ],
-            "time": "2015-10-28 18:53:35"
-        }
-    ],
-    "aliases": [],
-    "minimum-stability": "stable",
-    "stability-flags": [],
-    "prefer-stable": false,
-    "prefer-lowest": false,
-    "platform": [],
-    "platform-dev": []
-}
diff --git a/examples/fillable_template/1_get_dictionary.php b/examples/fillable_template/1_get_dictionary.php
index 32388eb..df6d7e2 100644
--- a/examples/fillable_template/1_get_dictionary.php
+++ b/examples/fillable_template/1_get_dictionary.php
@@ -2,6 +2,6 @@
 use PDFfiller\OAuth2\Client\Provider\FillableTemplate;
 
 $provider = require_once __DIR__ . '/../bootstrap/initWithFabric.php';
-$e = FillableTemplate::dictionary($provider, 53690143);
+$e = FillableTemplate::dictionary($provider, 67158068);
 dd($e->toArray());
 
diff --git a/examples/fillable_template/2_make_fillable_template.php b/examples/fillable_template/2_make_fillable_template.php
index 3dce01f..fb6199f 100644
--- a/examples/fillable_template/2_make_fillable_template.php
+++ b/examples/fillable_template/2_make_fillable_template.php
@@ -4,7 +4,7 @@
 $provider = require_once __DIR__ . '/../bootstrap/initWithFabric.php';
 
 $fillableTemplate = new FillableTemplate($provider);
-$fillableTemplate->document_id = 53690143;
+$fillableTemplate->document_id = 67158068;
 $fillableTemplate->fillable_fields['Text_1'] = 'Hop hey lalaley';
 $fillableTemplate->fillable_fields['Number_1'] = '2016';
 $fillableTemplate->fillable_fields['Checkbox_1'] = '1';
diff --git a/src/FillableField.php b/src/FillableField.php
index 55c9e54..1ada73d 100644
--- a/src/FillableField.php
+++ b/src/FillableField.php
@@ -13,6 +13,10 @@
  * @property string $format
  * @property mixed $initial
  * @property boolean $required
+ * @property string $maxChars
+ * @property string $maxLines
+ * @property array $list
+ * @property bool $allowCustomText
  */
 class FillableField extends Object
 {
@@ -22,5 +26,9 @@ class FillableField extends Object
         'format',
         'initial',
         'required',
+        'maxChars',
+        'maxLines',
+        'list',
+        'allowCustomText'
     ];
 }
\ No newline at end of file
diff --git a/src/FillableTemplate.php b/src/FillableTemplate.php
index b5ca280..9d72e66 100644
--- a/src/FillableTemplate.php
+++ b/src/FillableTemplate.php
@@ -110,19 +110,4 @@ public function getFillableFields()
 
         return $this->fillable_fields;
     }
-
-    /**
-     * Returns array representation of an object
-     *
-     * @param array $options
-     * @return array
-     */
-    public function toArray($options = [])
-    {
-        $options = array_merge_recursive($options, [
-            'except' => ['document_id']
-        ]);
-
-        return parent::toArray($options);
-    }
 }