fixed bug stopping a ccd from being deleted
added serialport for my build bulb
added way to specify params upon class initialization

e.g: `Net::Openvpn::Host.new "test", ip: "10.8.0.10", network:
"10.8.0.0"`
updated to version 0.2.2
added methods exist?, path and file, used attr_* for name, network and ip
aliased Net::Openvpn::Client to Net::Openvpn::Host
fixed up the specs and they are all passing
updated the readme
bump to v0.3