added a simple exact filtering script
added a simple exact filtering script

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