Made Keccak work with PHP 7
Made Keccak work with PHP 7

AndreyTepaykin/Platform,AndreyTepaykin/Platform,EGreg/Platform,Qbix/Platform,EGreg/Platform,EGreg/Platform,AndreyTepaykin/Platform,AndreyTepaykin/Platform,Qbix/Platform,Qbix/Platform,EGreg/Platform,Qbix/Platform