Make sure we clear fArgVals when we clear fArgs.
Make sure we clear fArgVals when we clear fArgs.

Issue an error when an invalid argument is passed.
CINT did not do this, it just silently ignored
the error and did the wrong thing.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@46473 27541ba8-7e3a-0410-8455-c3a389f83636

bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT