Bump version.

Author: Demonstrandum

package.json

@@ -3,7 +3,7 @@
   "name": "basiccanvas",
   "title": "BasicCanvas",
   "description": "Simple JavaScript canvas abstractions.",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "main": "lib/BasicCanvas.js",
   "homepage": "https://github.com/Demonstrandum/BasicCanvas/",
   "author": {