Merge pull request #1 from femto/master

findme find service choosing best match and adding ip_and_port to AvahiService
bump to ver 0.0.4.
change services to use select
Merge branch 'master' of https://github.com/femto/findme
bump ver to 0.0.5
Merge remote-tracking branch 'upstream/master'
add Findme.unregister(service_name) method to unregister a service.