Respect nolog requests

rowbot

@@ -95,7 +95,7 @@ run_callbacks() {
     (( status |= $? ))
   done < <(compgen -A function "$filter")
 
-  return 0
+  return "$status"
 }
 
 url() {
@@ -672,6 +672,17 @@ on_init_limeometer() {
   plugin_reg uplime limeometer
 }
 
+# nonlogger
+
+on_msg_PRIVMSG_nolog() {
+  if [[ ${msg_words[0]} = *nolog* ]]; then
+    log_info "this message was redacted"
+    return 1
+  else
+    return 0
+  fi
+}
+
 ###
 # irc send handlers
 ###