Methods for incrementing and decrementing a counter attribute.
+=item L<Counter|MooseX::AttributeHelpers::Bool>
+
+Common methods for boolean values.
+
=item L<Collection::Hash|MooseX::AttributeHelpers::Collection::Hash>
Common methods for hash references.
Yuval Kogman
+Jason May
+
=head1 COPYRIGHT AND LICENSE
Copyright 2007, 2008 by Infinity Interactive, Inc.