Added aliases `publish` (`emit`), `subscribe` (`on`) and `unsubscribe` (`off`)
Modified tests to take new `publish`, `subscribe` and `unsubscribe` aliases into account and also fixed some functions' existence not being checked
Bump to v5.1.1
Added `once` method
Added tests for `once` method
Updated minified version
Added description of the `once` method
Fixed multiple methods leaking unrestricted access to the channel
Fixed `once` not passing its arguments to the actual event handler
Satisfied jshint again
Updated minified version
Bump to v5.1.5
Added Sublime project file and some OS files to .gitignore
Added bower.json