fetch origin and refspec if available, rather than do the crazy config edit
expand refspec option
supporting SSH keys on linux slaves.
 i hate java... anonymous inner classes pass in 'this'
making it so you can provide multiple refspecs.
adding help
upping the version
trying to debug why extra what-changed commits are showing up.
So making sure the changeset file doesn't exist and logging out the changeset we generate.
showing the changes in the logs is too chatty
figured out the problem i had... didn't need to delete the file.