Knowin-Man Hotfixed

Hotfix for gif-framerate (was incorrectly used as output parameter)
Added features:
Toggling Deflicker
Toggling Motion interpolation
Toggling Proxy creation (for prores)

Knowing-Man's Release

This is the first version. It functions well, but you can break it, if you try.

Values are only checked for being numeric, so it helps to know what the custom settings are doing, when trying them out.