Implemented TCP example using tart-transport-tcp.

In order to make transport transparrently pluggable, I changed
the default encoding convention to not insert '=' in front of
tokens.
isRemote is isString.
Added notificiation when servers are listening.
String encoding uses ':' instead of "'".
Merge pull request #3 from dalnefre/tcp-example

Implemented TCP example using tart-transport-tcp (and change token encoding)