Add an option to set the name of the responder

[Kaz Nishimura]

It would be useful to have a way to set the internal host name explicitly, especially in testing. The option could be -n NAME and --name=NAME.

[Kaz Nishimura]

Added a new option (see issue #24).

→ <<cset ebe3f8bc3524>>

[Kaz Nishimura]

Implemented option '-n', which closes issue #24.

→ <<cset 244c547a9276>>

[Kaz Nishimura]

Removing milestone: 1.0y2 (automated comment)