Merge branch 'hotfix/fix-validation'
Merge branch 'release/1.4.4'
Fixed up __str__ method on user
Added get_lineage and kind methods to DynamoModel
Added a "LocalQuery" object which lets us use a regular Iterator as a
Query response
DynamoModel compatibility with standard models, adds support for custom
keyword arguments, optional hash_key, and the ability to set attributes
and have those saved to Dynamo.
Revert "Fixed up __str__ method on user"

This reverts commit 68c9aa66a8516a4c67cb22b037b30b8362e9d459.
Add an is_calculated field to class Property.
Do not save CalculatedProperty fields.
Merge pull request #4 from debroys/feature/dont-save-calulated-property

Feature/dont save calulated property
Merge branch 'master' into develop
Merge branch 'master' into develop

* master:
  Do not save CalculatedProperty fields.
  Add an is_calculated field to class Property.
Merge branch 'feature/dynamo-model-improvements' into develop
Removed dependency on ez_setup
Bumped to version 1.5.0 for release
Merge branch 'release/1.5.0' into develop
modify to_dict to convert datetimes to a timestamp, not an ISO formatted
string
Bumped to version 1.5.1:

This is a minor version update to fix indexing/to_dict issues with
encoding datetimes as strings instead of timestamp values (uint)
Merge branch 'release/1.5.1' into develop