Version-bump your software with a single command

 A small command line tool to simplify releasing software by updating all
 version strings in your source code by the correct increment.
 .
 Also creates commits and tags:
  * version formats are highly configurable
  * works without any VCS, but happily reads tag information from and
    writes commits and tags to Git and Mercurial if available
  * just handles text files, so it's not specific to any programming
    language