Merge branch 'master' into release

.travis.yml

@@ -6,7 +6,7 @@ script:
   - npm run buildAndTest
 
 node_js:
-  - "6"
+  - "8"
   - "stable"
 
 cache:

package.json

@@ -2,7 +2,7 @@
   "name": "sip.js",
   "title": "SIP.js",
   "description": "A simple, intuitive, and powerful JavaScript signaling library",
-  "version": "0.13.0",
+  "version": "0.13.1",
   "license": "MIT",
   "main": "lib/index.js",
   "homepage": "https://sipjs.com",
@@ -27,10 +27,10 @@
     "crypto-js": "^3.1.9-1"
   },
   "devDependencies": {
-    "@types/node": "^10.12.20",
+    "@types/node": "^10.12.21",
     "circular-dependency-plugin": "^5.0.2",
     "jasmine-core": "^3.3.0",
-    "karma": "^3.1.4",
+    "karma": "^4.0.0",
     "karma-chrome-launcher": "^2.2.0",
     "karma-cli": "^2.0.0",
     "karma-jasmine": "^2.0.1",
@@ -41,12 +41,12 @@
     "ts-loader": "^5.3.3",
     "ts-pegjs": "0.2.2",
     "tslint": "^5.12.1",
-    "typescript": "^3.2.4",
-    "webpack": "^4.29.0",
-    "webpack-cli": "^3.2.1"
+    "typescript": "^3.3.1",
+    "webpack": "^4.29.1",
+    "webpack-cli": "^3.2.3"
   },
   "engines": {
-    "node": ">=6.0"
+    "node": ">=8.0"
   },
   "scripts": {
     "prebuild": "tslint -p tsconfig.json -c tslint.json",

src/UA.ts

@@ -479,7 +479,7 @@ export class UA extends EventEmitter implements UADefinition {
       // unload is not available in packaged apps
       if (!((global as any).chrome && (global as any).chrome.app && (global as any).chrome.app.runtime)) {
         this.environListener = this.stop;
-        environment.addEventListener("unload", this.environListener);
+        environment.addEventListener("unload", this.environListener.bind(this));
       }
     }