anchor.diff:  part of coUserver;
   
  -@app.Group("/elevation")
  +@app.Group('/elevation')
   class Elevation {
  +	static final String DEFAULT = '_';
  +
   	static Map<String, String> _cache = new Map();
   	static Elevation INSTANCE = new Elevation();
   
   	/// Used by client applications (game, forums, site, etc)
  -	@app.Route("/get/:username")
  +	@app.Route('/get/:username')
   	Future<String> get(String username) async {
   		username = Uri.decodeComponent(username);
   
  
positive.code: 	}
  
  	/// Used by Slack
  	@app.Route("/set")
  	Future<String> set(
  		@app.QueryParam("token") String token,
  		@app.QueryParam("channel_id") String channel,
  		@app.QueryParam("text") String text
  	) async {
  		if (token != slackPromoteToken) {
  			return "Invalid token";
  		}
  
  		if (channel != "G0277NLQS") {
  			return "Run this from the administration group";
  		}
  
  		String elevation;
  		String username;
  		try {
  			List<String> parts = text.split(" ");
  			elevation = parts.first.trim();
  			username = parts.sublist(1).join(" ");
  		} catch(_) {
  			return "Invalid parameters";
  		}
  
  		if (elevation == "none") {
  			elevation = "";
  		}
  
  		int rows = await dbConn.execute(
  			"UPDATE users SET elevation = @elevation WHERE username = @username",
  			{"elevation": elevation, "username": username}
  		);
  
  		if (rows == 1) {
  			_cache[username] = elevation;
  			return "$username is now " + (elevation != "" ? "a $elevation" : "demoted");
  		} else {
  			return "An unknown error occurred. Try again?";
  		}
  	}
  }
  
negative.code: 			return _cache[username];
  		} else {
  			List<User> rows = await dbConn.query(
  				'SELECT elevation FROM users WHERE username = @username',
  				User, {'username': username}
  			);
  
  			String elevationStr = DEFAULT;
  			if (rows.length > 0) {
  				elevationStr = rows.first.elevation ?? elevationStr;
  			}
  