* use a string manipulation library and use dynamic sized strings
  see: http://www.and.org/vstr/comparison

* Remove the fix limit for the username (or check it)

* Better comments

* Add the line number to the errors

# File version information:
# $Id: TODO 1714 2010-12-22 06:40:53Z corti $
# $Revision: 1714 $
# $HeadURL: https://svn.id.ethz.ch/bd_webhosting/tools/svnauthcheck/TODO $
# $Date: 2010-12-22 07:40:53 +0100 (Wed, 22 Dec 2010) $
