move read_channel_map to a separate file in 'scripts' directory
Reactor for asynchronous tasks
AsyncTasksReactor playground

Added couple of lines to play with
AsyncTasksReactor in case of issues.
Alternate status messages
Meanwhile in the real world...

...we use Ruby 1.8.7
Determine state of multiple asynchronous tasks
Start using AsyncTasksReactor
Catch exceptions in asynchronous tasks...

... to prevent Chernobyl scenario.