Correctly downsample mapped BAMs and BBs.
Correctly downsample mapped BAMs and BBs.

limeng12/dalliance,warelab/dalliance,ENCODE-DCC/dalliance,Traksewt/dalliance,dasmoth/dalliance,warelab/dalliance,limeng12/dalliance,dasmoth/dalliance,jeffhsu3/dalliance,ENCODE-DCC/dalliance,bartcharbon/dalliance,Traksewt/dalliance,jeffhsu3/dalliance,bartcharbon/dalliance