py2_3 compatibility
py2_3 fix serma importer
py2_3 compatible utils
py2_3 fix hanwa importer
py2_3 fix hppi importer
py2_3 fix oryx importer
py2_3 fix serma importer
fix python3 compat
Merge pull request #29 from davidtrem/py27-py33-support

Py27 py33 support