Simple package to centralize values from the RFC3986
Objective of those vendors is to extract constant and pattern from the RFCs so all the PHP community can work from a common base and to centralize them in the php-standard-ietf organization.
-  Characters
- gen-delims
 - percent-encoding
 - reserved
 - sub-delims
 - unreserved
 
 -  Components
-  Authority
-  Host
- IP-literal
 - IPv4address
 - reg-name
 
 -  IPv4 Address
- dec-octet
 
 -  IPv6address
- hs16
 - ls32
 
 - IPvFuture
 - Port
 - UserInfo
 
 -  Host
 -  Path
- path-abempty
 - path-absolute
 - path-empty
 - path-noscheme
 - pchar
 - path-rootless
 - segment
 - segment-nz
 - segment-nz-nc
 
 - fragment
 - hier-part
 - path
 - query
 - scheme
 
 -  Authority
 - absolute-URI
 - relative-part
 - relative-ref
 - URI
 - URI-reference