Added ytlookup function

README.md

@@ -14,7 +14,8 @@ A `settings.json` file is required to run the bot. An example is provided below:
 	"motd": {
 		"date": "",
 		"time": 8,
-		"channels": []
+		"channels": [],
+		"previous": [0,0,0,0,0,0,0]
 	},
 	"debug": false,
 	"devmode": false,
@@ -25,7 +26,7 @@ A `settings.json` file is required to run the bot. An example is provided below:
 }
 ```
 - onequestionmark will handle most of the `motd` values itself.
-	- `date` is modified by the bot during normal operations.
+	- `date` and `previous` are modified by the bot during normal operations.
 	- `time` determines the hour at which the MOTD is posted (24-hour notation, local time).
 	- Using the `?motd` command adds the current channel to the `channels` array.
 - `debug` determines whether HxDiscord's console debug messages are enabled.