Fixed a compilation error: setContentview changed setContentView_
Merge pull request #60 from DavidPartouche/mac-compilation-error

Fixed a compilation error: setContentview changed setContentView_
Added mose move event
Added is_closed to osx window
Added ReceivedCharacter event for cocoa
Added the KeyPress and KeyRelease events
Fixed switch from atomics to atomic in rust
Added the modifiers key as input