Merge pull request ninenine#40 from NodeBB-Community/master

fix: dont crash if content is not string

lib/parseContent.js

@@ -28,7 +28,7 @@ function parseContent(content, banned_words, banned_urls, censorWholeWord, symbo
 	}
 
 	var replacement = censorWholeWord ? '[censored]' : censor;
-	return content
+	return String(content)
 		.replace(banned_words, replacement)
 		.replace(banned_urls, '[link removed]');
 }