2004-02-27  James Troup  <james@nocrew.org>	* rose (process_tree): use 'if var in [ list ]' rather than long	'if var == foo or var == bar or var == baz'.  Suggested by Martin	Michlmayr.	* jennifer (check_files): reduce 'if var != None' to 'if var' as	suggested by Martin Michlmayr.	* catherine (poolize): likewise.	* charisma (main): likewise.	* halle (check_changes): likewise.	* heidi (main): likewise.	(process_file): likewise.	* kelly (install): likewise.	(stable_install): likewise.	* utils.py (fix_maintainer): likewise.