Prototype two workers: blocking and multiplexing

lib/uh/wm/workers/blocking.rb

@@ -0,0 +1,15 @@
+module Uh
+  module WM
+    module Workers
+      class Blocking < Base
+        def work_events
+          #until yield
+          #  @on_events_read_bang.call
+          #end
+          #@on_events_read_bang.call until yield
+          @on_read_next.call
+        end
+      end
+    end
+  end
+end