Move midir to irtf and add SpeX.
New irtf.SpeX.spec_correct
Bug fixes for IRTF.
Merge branch 'master' into irtf
v2.2.3-dev
Fatal crash fix util.spearman.
New comet.afrho2Q.
Use SolarSysObject init for Asteroid and Comet.
Updage change log and readme from master.
Fix asteroid.py crash.
Merge branch 'master' into irtf
Merge branch 'irtf' into dev
Comment out modeling due to variations in astropy api.
Fix asteroid crash due to missing name parameter.
Fix lightcurve call to Column.
New SOFIA/FLITECAM instruments.
Change radprof.
Update change log for 2.2.3.
v2.2.3