Fix. luaL_argcheck to check args.
Fix. luaL_argcheck to check args.

zeromq/lzmq,LuaDist/lzmq-ffi,zeromq/lzmq,zeromq/lzmq,bsn069/lzmq,bsn069/lzmq,moteus/lzmq,moteus/lzmq,moteus/lzmq,LuaDist/lzmq-ffi,LuaDist/lzmq,LuaDist/lzmq