Add jQuery DataTables to provide sorting, etc. Version bump to 0.3.2.

git-svn-id: http://svn.wp-plugins.org/inline-google-spreadsheet-viewer/trunk@842830 b8457f37-d9ea-0310-8a92-e5e31aec5664
Correct class.

git-svn-id: http://svn.wp-plugins.org/inline-google-spreadsheet-viewer/trunk@842831 b8457f37-d9ea-0310-8a92-e5e31aec5664