testing infrastructure is sort of working now.
Tests pass!
Actually add the test file
clean up
More master sync bugfixes, circular call fixes, etc.
Sliders can affect bpm, but bpm should not affect sliders
fix ratecontrol not getting currentsample set properly.
More master sync tests.
Disable twiddling of rate slider if deck is set to slave
Fix a problem with internal sync quantizing, add a test for it.
Massive cleanup of comments, debug statements, and dead code.