Changed usage of luaL_error + luaL_argerror to be more idiomatic. Fixed a Py refcount issue due to unreachable code.
Changed usage of luaL_error + luaL_argerror to be more idiomatic.
Fixed a Py refcount issue due to unreachable code.

greatwolf/lunatic-python,bastibe/lunatic-python,greatwolf/lunatic-python,alexsilva/lunatic-python,hughperkins/lunatic-python,alexsilva/lunatic-python,albanD/lunatic-python,bastibe/lunatic-python,albanD/lunatic-python,alexsilva/lunatic-python,hughperkins/lunatic-python