RGB and RGBA regexes

updated to properly validate rgb 255 or rgb percentabe, it no longer allows mixing and matching; either all percentages or all numbers from 0-155

GODOC

Added some godoc examples to better illustrate functions usages

Validators

A huge shout out to @asaskevich for having allot of these validations that I ported from his govalidator, I would not have been able to add them so quickly without his groundwork, Thanks!

ADDED:
isbn10
isbn13
uuid
uuid3
uuid4
uuid5
ascii
printascii
multibyte
datauri
latitude
longitude
ssn