v0.3.0 Goroutines!

Changelog

9d6db79 Beautify and independently config
f85de1b Custom table name
58cf0e5 Modify .goreleaser.yml
fed7de9 Modify .goreleaser.yml
e25dab3 Modify documents
90248dc Refactor
3dacd6c Refactor
cc04400 Remove useless code
b917186 Remove useless comments
5c67054 Rewrite
89946ff Use goroutine to speed up the sign speed
f260c54 Use gout instead of client
0ce6822 Use mysql as the database
dd5f3fa add function comments
f572bdb add primaryKey ID field
3e5ed2b change db to sqlite
088d0f2 change logger to zap
d82ace2 change to gorm
2390200 fix Get EOF and Client.Timeout exceeded while awaiting headers
a1e68cd fix client EOF error
37176b7 fix getUserInfo wrong url
0c2cc1e improve messages
15e9d93 independent config
9569424 independent sign task
9a919c5 refactor socks5 proxy and cron config
b8490fe remove CheckErr()
b026671 remove SignTask()
6d14280 remove error return
e50ce27 remove mysql connection

旧版本迁移:
主要变更了两个配置项 goroutine 和 mysql.table
goroutine: 并发数，不要过大，10-30之间
mysql.table: 直接安装v0.3.0可以随意填写；从旧版本升级而来请填写 users ，否则读不出表

有问题先看README