Teach live_loop to thread result back into itself:

* Allows you to thread a context through a live loop
* For example, you could use it to count the num of
  iterations:

live_loop :foo, init: 0 do |cnt|
  puts cnt
  play 50
  sleep 1
  cnt += 1
end
Add more C extensions:

* Did you mean?
* A Ruby Profiler