fixed issue #86
add a test for issue #86 in tests/test_read_parsers.py
modified an error in _khmermodule.cc
updates based on mr-c's comments
change the coding style
fixed an error in test
update based on titus' comments\n1.add 'assert 0, "should fail" at the end of 'try' block\n2. removed the commented-out code
add ChangeLog entry
update based on mr-c's comments
Merge branch 'fix/86' of github.com:jiarong/khmer into jiarong-fix/86
Merge branch 'jiarong-fix/86'