btburnett3/jquery.ui.spinner — pull request #23 by jvitela (2012-06-05 14:53:26+00:00)
Title: This fixed the mouse wheel for the latest version of jquery.js

It was not working when using this widget with the latest version of jquery.js (1.7.2)
The wheel information "wheelDelta" or "detail" is not included on the jquery event as for jquery 1.7
see http://bugs.jquery.com/ticket/10676