Update TCPConnection docs around local and remote addresses
Update TCPConnection docs around local and remote addresses

jemc/ponyc,sgebbie/ponyc,ponylang/ponyc,cquinn/ponyc,ponylang/ponyc,dipinhora/ponyc,dipinhora/ponyc,cquinn/ponyc,kulibali/ponyc,sgebbie/ponyc,CausalityLtd/ponyc,kulibali/ponyc,sgebbie/ponyc,dipinhora/ponyc,jemc/ponyc,CausalityLtd/ponyc,CausalityLtd/ponyc,kulibali/ponyc,kulibali/ponyc,cquinn/ponyc,jemc/ponyc,cquinn/ponyc,ponylang/ponyc,sgebbie/ponyc,sgebbie/ponyc