+- Add more server protocol documentation.
+- Add m_sendbans extension, SENDBANS command to propagate xlines and resvs
+ manually.
+- Add chm_sslonly extension, cmode +S for SSL/TLS only channels.
+- Add chm_operonly extension, cmode +O for IRCop only channels.
+- Add chm_adminonly extension, cmode +A for server admin only channels.