Removed --append option; used argparse.FileType('w'); looks cleaner
Removed --append option; used argparse.FileType('w'); looks cleaner

Winterflower/khmer,souravsingh/khmer,jas14/khmer,kdmurray91/khmer,kdmurray91/khmer,ged-lab/khmer,kdmurray91/khmer,F1000Research/khmer,Winterflower/khmer,ged-lab/khmer,ged-lab/khmer,souravsingh/khmer,souravsingh/khmer,F1000Research/khmer,F1000Research/khmer,jas14/khmer,Winterflower/khmer,jas14/khmer