Renamed tests.js to view.js.
Naive implementation of 'on' and 'trigger'.
Added comment in .gitignore to 'trigger' proper ignore of .idea.
Multiple 'on' handlers.
'off' for all callbacks.
'off' for specific callback.
Renamed internal 'events' variable.
Refactoring 'on'.
Refactoring 'off' and 'trigger'.
'context' on 'on'.
'args' on 'trigger'.