From Wim Lavrijsen: one minor change, for something I found while updating the tutorial files:
From Wim Lavrijsen:
one minor change, for something I found while updating the tutorial files:

 Allow re-try of the other overload methods when the call to the method
 from a successful hash lookup fails. The hash is based on argument types,
 but python type behaviour is not fixed. Hence, a call failure may be
 because of an "out-of-date" hash, and the full overload must be re-tried.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@11257 27541ba8-7e3a-0410-8455-c3a389f83636

dawehner/root,dawehner/root,bbannier/ROOT,dawehner/root,dawehner/root,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root,bbannier/ROOT,bbannier/ROOT,dawehner/root,bbannier/ROOT,dawehner/root,bbannier/ROOT