Revision 3aab3bb5cc2241352f5d38fe87a15d00c20dba57

Committed on 21/11/2013 10:45 pm by Jon-Morten Kristiansen <jon.morten.kristiansen@gmail.com> [GitHub Diff]

Store false/unchecked value of attribute as well

The value was only stored when the field key was present in $_POST, i.e.
when the checkbox was checked. This caused the attribute value to be 'locked'
as true if it was ever stored as true/checked.