Split util functions to have `get_wcsinfo` and `get_pointing_error`
Split util functions to have `get_wcsinfo` and `get_pointing_error`

panoptes/POCS,AstroHuntsman/POCS,AstroHuntsman/POCS,panoptes/POCS,panoptes/POCS,AstroHuntsman/POCS,joshwalawender/POCS,AstroHuntsman/POCS,panoptes/POCS,joshwalawender/POCS,joshwalawender/POCS