Add XDECREF for returned read tuple in ReadParser.read_pair_iterator()
disambiguate IOerror from end of file
finess exception logic
add test for truncated bz2 file
add test for truncated gzip file
test readparser.iter_read_pairs() w/ truncated files
formmating
add Changelog
Merge pull request #693 from ged-lab/fix/read-memleak

Add XDECREF for returned read tuple in ReadParser.read_pair_iterator()
Merge branch 'master' of github.com:ged-lab/khmer into update/streaming

Conflicts:
	ChangeLog