python3 support
Change back unneeded list call and pep8
Merge branch 'python3' of github.com:pib/metadata_parser into pib-python3
0.5.6 candidate
0.5.7 fixes
0.5.8
working on 0.6.0 changes
modified comment in demo.py noting the nasa issue with lxml
0.6.1 prep -- fixes to handle invalid urls that are technically valid , but are really not