Delay method 'load_term' call to be sure all taxonomies and custom post types are created and linked to each other.
Improve code of the method 'where'.

git-svn-id: https://plugins.svn.wordpress.org/multiple-term-selection-widget/trunk@845269 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme change

git-svn-id: https://plugins.svn.wordpress.org/multiple-term-selection-widget/trunk@845270 b8457f37-d9ea-0310-8a92-e5e31aec5664