Fix size in case of duplicate insert

git-svn-id: http://hxcpp.googlecode.com/svn/trunk@635 d391954c-4287-11de-baa7-5503b21fc9cb
Allow exact specification of number of parameters

git-svn-id: http://hxcpp.googlecode.com/svn/trunk@636 d391954c-4287-11de-baa7-5503b21fc9cb