add to_s method to OSC::TCPClient
convert to Action class to send messages to QLab and easily access the return values
remove unused method
command aliases! now we're cooking.
big changes for aliases

* include patched version of aarongough/sexpistol
* update configuration to store aliases
* add alias creation to CLI
* add default aliases
* add parser and action tests
drop parens from debug output, handle cue list loading in CLI
make sure we can connect to a machine by name