Fix a few bugs exposed by testing with EQMac
Improvements to the EQMac goto command, update project file with new socket class locations
Add ability to send slew commands to an arbitrary host+port
Use ra_center and dec_centre was attars rather than recalculating from hms
Sync up the astrometry.net plate solve implementation with CoreAstro's
Move CASPlateSolvedObject drawing code to its own category
Fix typo
Update plate solution hud to new bindings, fix visibility bug