Extra goods of Golang.

Packages:

• xstrings
• xslice
• xnumber
• hash
• xhttp
• xip
• redis
• shell
• xrandom
• xvalidator
• xurl
• xmap
• cast
• xprom
• xfile
• xsync

Features:

> crypto
    - aes
    - base64
> hash
    - crc32
    - hmac
    - md5
    - sha1
> net
    - http
    - dns
> slice
    - contain
    - eliminate
    - intersect
    - merge
    - union
    - remove (item from slice)
    - split 
    - sum (items in int slice)
    - unique
> sync
    - once
    - waitgroup
> validator
    - URL
    - Email Address
    - IP/IPInt
    - Timestamp
    - Phone Number