Improves import() error handling by switching from require to include which lets us trap errors instead of causing a PHP Fatal
Adds a pseudo random number generator abstraction wrapper with multi-algorithm support along with the ISAAC cryptographically secure algorithm port and a new method (with test) for the String class to support it, and changes to Secret64 to use it.
Incremental progress on Oauth2 HTTP network layer. still not ready for primetime, but getting closer!