sha1sum
added simple lexer for ksh-style config files
added .gitignore
added santize_environment
Merge ../pyab

what a pain --
 to publish a local repo on github:
  1) create a new repo in github
  2) clone the repo to your local machine
  3) pull/merge the code from your original working repo
  4) clean up as needed
  5) push to orgin (on github)