Bug fixes from Uday

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@10459 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Bug fixes from Uday

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@10460 e0a1b77d-ad91-4216-81b1-defd5f83fa92