publish to npm at 55b4fbd70cc21d2b12c301a922eac477690dfa0b.
1. Modify version number.
The version rule is a.b.c which a = pomelo-robot.a, b = pomelo-robot.b + pomelo-robot.c, c is my own build number.
publish to npm at b46ba5a5fe3b99272eb98bf75bdc7505358fc354.
1. Modify README.md.
publish to npm at 854861ad5b911f2ec3902873a3df884edd419d54