=over 4
-=item I<set>
+=item B<set>
Sets the value to C<1>.
-=item I<unset>
+=item B<unset>
Set the value to C<0>.
-=item I<toggle>
+=item B<toggle>
Toggles the value. If it's true, set to false, and vice versa.
-=item I<not>
+=item B<not>
Equivalent of 'not C<$value>'.