PHP7

For some weeks now I had the idea that V8Js must be running on PHP7 the day it is officially published. So when I started out porting soon after they published he first release candidate (aka 7.0.0RC1) I felt some pressure, especially after noticing that it really will be a lot of work to do. The more glad I am to announce today, that V8Js finally compiles fine and passes the whole test suite from the master branch (apart from tiny modifications that became necessary due to PHP 5....