= trampolining with recursive scheduling means no stack overflows
= renamed Rx->Reactive cause Rx is taken by regex debugger
= does not really not coro anymore could work soon with AnyEvent
= objects instead of closures make keeping track of ref counts easier
= real dispose semantics, which apprently is 99.99% of the work on a Rx
  port
added virtual scheduler
unit tests run again
all demos and tests work
removed old Rx namespace, now Reactive
fixed take bug