Do not print exception backtrace when command not found
Do not print exception backtrace when command not found

phalcon/zephir,vpg/zephir,phalcon/zephir,zephir-lang/zephir,zephir-lang/zephir,phalcon/zephir,zephir-lang/zephir,phalcon/zephir,vpg/zephir,vpg/zephir,zephir-lang/zephir,vpg/zephir,phalcon/zephir,vpg/zephir,vpg/zephir,zephir-lang/zephir,phalcon/zephir