Joystick DEVICE_ADDED and DEVICE_REMOVED references

Linked to Lime Joystick device added and removed events
Update README.md
Merge pull request #161 from Hasufel/master

Joystick DEVICE_ADDED and DEVICE_REMOVED references
Do not force debug builds to exclude inlining. If an IDE/debugger prefers unlined code (which makes sense) then it should call 'lime test flash --no-inline'
Remove UInt, now that it is supported in Haxe
Restore UInt types now that Haxe 3.1 includes an abstract
Update to 1.2.3
Merge remote-tracking branch 'upstream/master'