split test for extract_long_sequences into test for fa and for fq
split test for extract_long_sequences into test for fa and for fq

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