0.04 5/17/2002
    - fix trashy install problems

0.03 5/17/2002
    - move to method based chain control
    - allow states to pass data to the following states

0.02  2/19/2002 
    - Test suite added
    - Much better error checking
    - Misc little bugs that cropped up in testing
    * (yet another private development release)

0.01 02/07/2002
    - Initial release 
    * (private development release)