Added IPv6 support for servers, added support for unaffiliated/servic…

…e as a server. Searches for required whitespace, if not assume that the server is at the end of the line.

parser.js

@@ -44,7 +44,7 @@ Parser.prototype._transform = function _transform(input, encoding, done) {
 
 var RE_NICK = /^([a-z][a-z0-9\-\[\]\\`^\{\}_]*)(?: |!|@)/i,
     RE_USER = /^([^ \r\n@]+)/,
-    RE_SERVER = /^((?:[a-z0-9][a-z0-9-]*\.)*(?:[a-z][a-z0-9-]*))/i,
+    RE_SERVER = /((?:[a-z0-9][a-z0-9-]*[.|:|\/])*(?:[a-z0-9][a-z0-9-]*(?=\s|$)))/i,
     RE_COMMAND = /^(\d{3}|[A-Z]+)/;
 
 Parser.prototype.parse = function parse(text, state) {