old_contents: VERSION_MAJOR="0"
  VERSION_MINOR="3"
  VERSION_TINY="0"
  
  VERSION="%s.%s.%s" % (VERSION_MAJOR, VERSION_MINOR, VERSION_TINY)
new_contents: VERSION_MAJOR = "0"
  VERSION_MINOR = "3"
  VERSION_TINY = "1"
  
  VERSION = "%s.%s.%s" % (VERSION_MAJOR, VERSION_MINOR, VERSION_TINY)
  
subject: Bump to version 0.3.1