* more progress on the network code:
   * restructured irc_net and net class
   * irc_net can either use a plain text or a ssl tcp connection now (determined on irc_net construction for now, might add dynamic switching at a later point)
   * major changes in how packets are being sent and received in the net class (data is stored in "char" containers now, instead of using a string; this is however not completely done yet: sending/receiving binary data won't work yet)
   * fixed/further implemented the net_tcp ssl protocol implementation