useful miscellaneous modules used by Logilab projects

 logilab-common is a collection of low-level Python packages and modules,
 designed to ease:
 .
  * handling command line options and configuration files
  * writing interactive command line tools
  * manipulation files and character strings
  * interfacing to OmniORB
  * generating SQL queries
  * running unit tests
  * manipulating tree structures
  * accessing RDBMS (currently postgreSQL, MySQL and sqlite)
  * generating text and HTML reports
  * logging
  * parsing XML processing instructions