Rename logging.moon to Log.moon.

It is more consistent with the rest of the module names now.
Modify ffmpeg encoding preset slightly.

I trust rcombs but I should probably really test this.
Fix bugs in TrimHandler.
Correctly calculate the totalFrames in LineCollection.
Add Math module for math helper functions.

Because ??????
Make setCallbacks less horrible.

Slightly.

Also, all the calculation methods are now private.
Fix a bunch of mistakes in MotionHandler.
Clean up linear and nonlinear loops and processing callbacks.
Add name and description to all test macros.
Add trimHandler tests.
Add sanityCheck method to DataHandler.

Determines if the parsed data is the same length (in frames) as a
LineCollection.