Resolve "Limit playback speed"
TL;DR
- Changed playback speed limitation to work properly on lower end hardware
- Added playback speed options to view menu
The method of limiting the playback speed was changed, to achieve better results on lower end hardware. Reentracy via the signal is delayed quite a bit if the PC is under high load, which can happen through PeTrack alone. So now we are just continously working through the event queue, till the supposed time for the frame is finished.
Added a playback speed menu under the view menu.
After succesfully merging this, !25 (merged) can be merged as well.
Closes #44 (closed)