[added] the ability to explicitly set the namespace all of your data will live
inside. Feature request and first pass at a patch thanks to github user
https://github.com/cabowabo-de
[fixed] bug 56, allowing to set a ManyToOne() column to None as being the
same as deleting the attribute. Thanks to Github user
https://github.com/hakib for the feature request/bug report.
[fixed] bug 57, in which an exception could be raised when making composite
string queries like:
Model.query.filter(a='this', b=['other', 'thing']).execute()
Thanks to github user https://github.com/liorchen for the bug report.