Usage:
request: /?c=[code]&t=[hash type]&pf=[prefix string]&sf=[suffix sstring]&p=[pos]&r=[true]
Params:
- c [string] Code (**require**)
- t [string] hash Type : md5 sha1 (**require**)
- p [int] starting Position of hash
- pf [string] text Prefix
- sf [string] text Suffix
- r [boolean] Raw resopnse
eg: /?c=abcdef&t=md5
    /?c=abcdef&t=md5&pf=v&sf=k&p=6