made the help screen look a little nicer
made the help screen look a little nicer

ofanoyi/SeqPrep,ofanoyi/SeqPrep,alliemacleay/SeqPrep,jstjohn/SeqPrep,alliemacleay/SeqPrep,jstjohn/SeqPrep,alliemacleay/SeqPrep,jstjohn/SeqPrep,ofanoyi/SeqPrep