Scoped IO reactor specs for better output clarity
Better error message on connection timeout
A missing cleanup in CommandDispatcher
Finally moved NodeConnection to its own file
Big refactoring of the IO reactor

Merged IoReactor and CommandDispatcher
Cleanup in the IO reactor

Re-introduced the control socket again, but as a dumb object instead of the smart object that CommandDispatcher was.
Cleanup in the IO reactor

Avoiding to create an unnecessary array
Reverted the order of operations in a spec back to what they were before the refactor