refs #806

Diff checked manually.

autopep8 -a -ir -j2 --select=E711 .

This required the "agressive" option because it can change code
behavior.

Remove useless trailing \
Remove trailing spaces
Add missing empty lines

autopep8 -ir -j2 --select=E301,E302,E502,W291,W293,W391 .

Diff quickly checked.

mechanize does not support embeded optgroups, so it crashes when parsing
another form is the page

Change every mention of MAINTAINER to avoid future issues.