Clean up on disconnect
Refine filter wheel test app ui
Only update currentFilter property when the filter wheel reports it's been set, prevent multiple set filter requests running at the same time
Set initial window position to auto
Reduce logging noise
Show/hide filter wheel controls as appropriate
Reduce logging noise
Add CASSHFCUSBDevice files
Set default plate solve index location to ~/Documents/CoreAstro/astrometry.net
Defend against fp div by zero
Bind enabled states of dither controls
Update FC USB test app to use a jog/shuttle-style ui