新增#monthDays方法

Merge branch 'master' into production

Merge pull request proYang#35 from proYang/master

v1.4.0版本发布

⚡添加.d.ts，补充注释

🐛fix

Usage: npm <command>

where <command> is one of:
    access, adduser, bin, bugs, c, cache, completion, config,
    ddp, dedupe, deprecate, dist-tag, docs, doctor, edit,
    explore, get, help, help-search, i, init, install,
    install-test, it, link, list, ln, login, logout, ls,
    outdated, owner, pack, ping, prefix, profile, prune,
    publish, rb, rebuild, repo, restart, root, run, run-script,
    s, se, search, set, shrinkwrap, star, stars, start, stop, t,
    team, test, token, tst, un, uninstall, unpublish, unstar,
    up, update, v, version, view, whoami

npm <command> -h     quick help on <command>
npm -l           display full usage info
npm help <term>  search for help on <term>
npm help npm     involved overview

Specify configs in the ini-formatted file:
    C:\Users\Slane\.npmrc
or on the command line via: npm <command> --key value
Config info can be viewed via: npm help config

[email protected] C:\Users\Slane\AppData\Roaming\nvm\v9.4.0\node_modules\npm bug

📝修改版本号

📝修改travis构建流程

:修改版本号:

🐛修复randomNum函数随机结果错误问题

📝修改文档