Implement more IRC message handlers

rowbot

@@ -155,6 +155,10 @@ on_PONG() {
   debug "received pong: %s" "${params[1]}"
 }
 
+on_PRIVMSG() {
+  info "<%s/%s> %s" "$from" "${params[0]}" "${params[1]}"
+}
+
 on_QUIT() {
   info "%s has disconnected: %s" "$from" "${params[0]}"
 }
@@ -230,6 +234,24 @@ on_266() {
   info %s "${params[3]}"
 }
 
+on_332() {
+  info "topic for %s is %s" "${params[1]}" "${params[2]}"
+}
+
+on_333() {
+  local date
+  printf -v date '%(%c)T' "${params[3]}"
+  info "topic for %s set by %s at %s" "${params[1]}" "${params[2]}" "$date"
+}
+
+on_353() {
+  info "members of %s: %s" "${params[2]}" "${params[3]}"
+}
+
+on_366() {
+  debug "%s: end of NAMES list" "${params[1]}"
+}
+
 on_372() {
   info %s "${params[1]}"
 }
@@ -242,6 +264,10 @@ on_376() {
   debug %s "${params[1]}"
 }
 
+on_473() {
+  error "%s: %s" "${params[1]}" "${params[2]}"
+}
+
 ###
 # irc send code
 ###