Merge pull request #352 from slingamn/chanreglimit.1

track channel registrations per account

irc/getters.go

@@ -200,6 +200,12 @@ func (client *Client) Channels() (result []*Channel) {
 	return
 }
 
+func (client *Client) NumChannels() int {
+	client.stateMutex.RLock()
+	defer client.stateMutex.RUnlock()
+	return len(client.channels)
+}
+
 func (client *Client) WhoWas() (result WhoWas) {
 	return client.Details().WhoWas
 }