Added the option to !opt-in/opt-out [onlinebot only]

Fixed command & event threading
Events are now threaded by event_type (i.e. all buddy_logon events get ran in the same one)
Added default preferences
Fixed recipe loading for multiple installs (i.e. on different machines)

core/text.py

@@ -207,7 +207,7 @@ class Text:
                 label2 = self.format_message(label)
             else:
                 label2 = self.format_message(label) + " (Page " + str(index) + " / " + str(num_pages) + ")"
-            return chatblob.page_prefix + self.format_page(label2, page) + chatblob.page_postfix
+            return self.format_message(chatblob.page_prefix) + self.format_page(label2, page) + self.format_message(chatblob.page_postfix)
 
         return list(map(mapper, zip(pages, range(1, num_pages + 1))))