osukps: download ældre versioner

- Support for multiple configuration files
- Added about window with update checker
- Ability to hide the buttons (#8)
- Ability to specify kps colors and ranges (#6 #10)
- Dialogs now position themselves close to the parent window
- Colors can now be edited using a hexadecimal input format (#15)
- Background/Foreground colors can be changed (#14)

- Added ability to record and playback!
- Fixed not being able to grab and drag on every black part of the program

Added ability to change fonts (thanks @ItsNovaHere)
Pre-v4 changelog:
170620
- Colors are now adjustable
160904
- Add maxkps, saving settings, fix bugs (thanks @dnjstlr555)
160528
- Initial release