Switch to argparse, so we can:
Switch to argparse, so we can:

1. Be more up to date
2. Support wildcard/bash completion

e.g. these now work (in addition to the old comma style):

./bamPlot_turbo.py -b my_path/*/*.bam

./bamPlot_turbo.py -b my_path/treat/*liver*.bam my_path/control/*liver*.bam

vangalamaheshh/pipeline,vangalamaheshh/pipeline,vangalamaheshh/pipeline,vangalamaheshh/pipeline,vangalamaheshh/pipeline,vangalamaheshh/pipeline