Depend on core.async
Move some keypairs around in the connection map
Require core.async
Refer chan instead of aliasing async
Make :in and :out channels
Refer stuff from core.async
Add a new commit-server/create

This now utilizes the yet-to-be-implemented async/channel for output.
Remove commit-server/create-handler
Adjust commit-server/start
Have system use the new commit-server functions
Change pgbot.system to pgbot.application
Change old system references to application
Add application/create-dev
Remove the param defaults from create
Make sure integer inputs are Integers
Move the IRC information into the app map
Have create-dev take variable args
Require core.async in application
Add :in and :out keys to the app map
Move create-dev down