0.7.3
* refactored file structure and added new Irbtools.add_lib method
* load railsrc if executed with rails and Irbtools.railsrc is set
* more little fixes

0.7.2
* fixed Rails 3 bug
* added boson gem (command repository)
* remember history when resetting or switching ruby version

0.7.0
* initial release

J-_-L