fix for GitHub issue 25

git-svn-id: svn://svn.code.sf.net/p/rdkit/code/trunk@2510 a5045d30-4826-4484-9c7f-6e55a06ddc77
githut 25 tests

git-svn-id: svn://svn.code.sf.net/p/rdkit/code/trunk@2511 a5045d30-4826-4484-9c7f-6e55a06ddc77
release notes update

git-svn-id: svn://svn.code.sf.net/p/rdkit/code/trunk@2512 a5045d30-4826-4484-9c7f-6e55a06ddc77
set release to 2013.03.2

git-svn-id: svn://svn.code.sf.net/p/rdkit/code/trunk@2513 a5045d30-4826-4484-9c7f-6e55a06ddc77
release notes update

git-svn-id: svn://svn.code.sf.net/p/rdkit/code/trunk@2514 a5045d30-4826-4484-9c7f-6e55a06ddc77
start next release

git-svn-id: svn://svn.code.sf.net/p/rdkit/code/trunk@2516 a5045d30-4826-4484-9c7f-6e55a06ddc77
add RWMol.clear()

git-svn-id: svn://svn.code.sf.net/p/rdkit/code/trunk@2517 a5045d30-4826-4484-9c7f-6e55a06ddc77