Version bump for release
Allow removing loggers from the repository
Merge branch 'remove_from_repository' of https://github.com/adhearsion/logging into adhearsion-remove_from_repository

* 'remove_from_repository' of https://github.com/adhearsion/logging:
  Allow removing loggers from the repository
  Version bump for release
Need to reparent all the child loggers when a logger is deleted.