Merge pull request Sage-Bionetworks#110 from cbare/api_docs_another_pass

made another pass through the API docs clarifying and adding example cod...

Merge pull request Sage-Bionetworks#87 from cbare/develop

updated version to 0.5.0 and blacklisted old versions

rolled version number to 0.4.1

rolled version number to 0.4.0