Updated README.

Signed-off-by: Patrick Hogan <pbhogan@gmail.com>
Removed unused code.

Signed-off-by: Patrick Hogan <pbhogan@gmail.com>
Cleaned up some control types.
Added shortcut control properties to InputDevice.
Added shortcut Vector2 query properties to InputDevice.
Switched around how InvertYAxis works.

Signed-off-by: Patrick Hogan <pbhogan@gmail.com>
Bug fix to InputDevice.DPadVector

Signed-off-by: Patrick Hogan <pbhogan@gmail.com>
Updated README.

Signed-off-by: Patrick Hogan <pbhogan@gmail.com>