haxe 3.1, some libraries, function args autocompetion!

autocompetion samples:

http://gyazo.com/8af8b6e9f6524256aadae0a499e7bdf5 - function completion
http://gyazo.com/710154dd0e34892f84ebc835d847d9ff - error msg
http://gyazo.com/9b7b8dfec8e65d531cc328832d27356a - error msg