Version 0.6

Merge pull request #9 from yuvipanda/bump

Bump version number

v0.4

Fix force_new_servers to work properly, stopping
the user's server if it is running

Version 0.3

- Add force_new_server configurable
- Add process_user hook for allowing downstream customization
  of created user object before it is spawned

Version 0.2

Minor version bump just to produce a clean wheel