- improvement - uniquely identified devices with the same name (use GUID)
- improvement - shows jsN assignment in Joystick tab
- improvement - detection of the SC install path extended to one more Registry entry
- fix - blend unmapped works properly now
- fix#16 - manual entry of SC directory works now
- update doc
Ensure that when generating changes between the last joystick state and
the current one that we actually compare button states.
This causes another bug with the joystick axis frequently becoming
selected, which will be fixed in a further commit