4.0.0: pynamo==3.2.1 boolean migration (lyft#170)

NonNullUnicodeSetAttribute for blind cred and script upgrades (lyft#166)

[2.0.1] Added fixes to the migration scripts (lyft#168)

Upgrade pynamo to 1.5.4 and bump version (lyft#159)

 Fix issue with angular trimming whitespace (lyft#158)

* Fix issue with angular trimming whitespace

* Bump version and update changelog

Upgrade gevent (lyft#146)

* Upgrade gevent

* Update changelog and bump version

Upgrade gunicorn, and other piptools transitive deps (lyft#138)

* Upgrade gunicorn, and other piptools transitive deps

* Bump release to 1.9.0

Use lru-dict for the LRU implementation (lyft#125)

* Use lru-dict for the LRU implementation

* Bump version number

Update saml (lyft#115)

* Update SAML requirements and pull in some extra requirements from setuptools

* Update version in setup.py

Update docker_push.sh