Merge pull request #133 from aaronn/improvement/pass-serializer-context

Pass context to serializer and bump version.

Version bump to 1.5.8.

Merge pull request #78 from aaronn/fix/unique-token-generation

Fix/unique token generation

Version bump and pypi

Merge pull request #67 from aaronn/feature/international-phone-regex

Fix regex, make + not optional

case-insensitive aliases

pypi bump for dependencies, 500, and bugfixes

Readme

Update README.md

Pypi 1.4.0