Delete um_node
Application object uses now argparse instead of optparse. Every script
that use the application object must be rewritten
Retab; delete whitespace
Change Anrd's email address
Wrap paragraph at 80 chars
Spelling
Wrap paragraphs at 80 chars
Fix bugs intoduced by 9476b780ac7c5bdb0566eba12e1d5355d84f4117
Fix a bug introduced by 285716673a1b3469369a0c782f4500067221ae4d