Prevents circular wrapping when configured to do so and using .previous()

This looks like it was just an oversight -- the comment (and API!) indicates that this check should already exist.
Build sm-focusmanager.
Editor.Base: always focus() on command()
build gallery-sm-editor
Merge branch 'master' of github.com:smugmug/yui-gallery
Merge pull request #25 from bwg/editor-style

Keep that range around.  You never know when you'll need it.
Merge branch 'master' of github.com:smugmug/yui-gallery