Implement grabbing +B flag, connect command sequence fixes

* Implement i-am-bot, +B, flag grabbing.
* Move collections to internal packages.
* Postpone nickserv login sequence to 376 and 422 events, as it should be after motd message
* Postpone join channels to 376 and 422 events, as it should be after motd message

util.go

@@ -108,7 +108,7 @@ func readConfig() {
 			log.Infof("Irc port is not defined in config, using 6667")
 		}
 
-		if sampleConfig.Irc.Ssl != true {
+		if !sampleConfig.Irc.Ssl {
 			sampleConfig.Irc.SslVerify = false
 		}