Made log2 in ContingencyTables a public constant. Fixed PART, which was broken after my last change.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@10055 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Made log2 in ContingencyTables a public constant. Fixed PART, which was broken after my last change.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@10056 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Accidentally committed change in x * log(x) cache size in ContingencyTables. Changed back to 10000.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@10057 e0a1b77d-ad91-4216-81b1-defd5f83fa92