Net::IRC3:
        - fixed case handling with channels
        - added functionality to change the nick automatically
          when it is already taken when registering an IRC connection.
          (Net::IRC3::Client::Connection)
        - added reply number <=> reply name mapping to Net::IRC3::Util
          accessible through rfc_code_to_name
        - added error event to Net::IRC3::Client::Connection
json chat framework:
        - client history
        - nick listing more correct
        - improved completion (added nick completion)
        - further improvement of the protocol
        - finally got the id handling correct
        - added logging to jsonsrv
        - many other changes i forgot.