added clause to handle extensions (eg .bam) with no leading tag
added clause to handle extensions (eg .bam) with no leading tag

BenaroyaResearch/bripipetools,jaeddy/bripipetools,jaeddy/bripipetools,BenaroyaResearch/bripipetools,BenaroyaResearch/bripipetools,jaeddy/bripipetools,jaeddy/bripipetools,BenaroyaResearch/bripipetools