code: function(request){
  			var response = {};
  			if(Array.isArray(request) && request.length > 0){
  				if(request.indexOf('all') > -1){
  					response = getData('all');
  				}
  				else{
  					for(var d = 0; d < request.length; d++){
  						var prop = request[d];
  						response[prop] = getData(prop);
  					}
  				}
  			}
  			else if(request){
  				response = getData(request);
  			}
  			else{
  				response = "BAD_REQUEST_EXCEPTION"
  			}
  			return response;
  		}
docs: TO-DO: function to change URL of firebase reference