… loop vs timeout problem, improved event interface

…ay and intercom, added posix for having setrlimit

… now we just have to work with 'app' most of the time to handle events. Also improved Sandbox object usage so now you can do things like 'Sandbox('my name').run(code, mycallback) : Sandbox is a factory too if not an object, like standard JavaScript Objects do

…us and synchronous code

…t work otherwise in dnode, so I've just frozen the Date object to prevent any injection here + added some samples to test