update to version 0.3.8
* Improved unpatching when importing modules after freeze_time start()
* Tidy up tick=True
* PEP8-ify code
* 0.3.7
* Add manual increment via tick method
* Add @zmsmith to authors.
* Clean up and speed up start().
* Globally exclude __pycache__ and py[co] from sdist
* Catch TypeError when fetching attribute values
* Fix bug with time.localtime not being reset. Closes #112.
* Fix test to work when current timezone is GMT-14 or GMT+14.
* 0.3.8
* 0.3.6
* Updated readme.md with svg badges
* Speed up stop() like commit e93c7b4
* Fix assertion in usage example
* Add method to change freezed time
* Fixed #162 - allow decorating old-style classes.
* Add support to PyMySQL
* Cleanup code.
* do not use hex numbers in readme
* Assume the default time to freeze is "now".
* Register fake types in PyMySQL conversions
* Ignore threading and Queue modules. Closes #129.
* Add missing parenthesis
* Lock down coverage version since new coverage doesnt support py3.2
* Add test case
* Fix or py3 astimezone and not passing tz. Closes #138.
* Fixing halfdone work using None parameter for freeze_time(),