Add option to subtract separate source catalog from the sidelobes in firstpass.
Add option to subtract separate source catalog from the sidelobes in firstpass.

EoRImaging/FHD,EoRImaging/FHD,wenyang-li/FHD,miguelfmorales/FHD,miguelfmorales/FHD,wenyang-li/FHD,wenyang-li/FHD