bunch of fixes based on feedback, adding changelog

PowerUpControl.gd

@@ -7,13 +7,12 @@ func openmenu():
 	$Control/VSeparator2.hide()
 	$Control/VSeparator/ItemList.clear()
 	var array = []
+	var text = Powerups.menbros.keys() + Powerups.corpo.keys() + Powerups.apendice.keys()
 	for x in 5:
-		var text = Powerups.menbros.keys() + Powerups.corpo.keys() + Powerups.apendice.keys()
 		while text.has('null'): text.erase('null')
-		while true: 
-			text.shuffle()
-			if not array.has(text): break
+		text.shuffle()
 		array.append(text[0])
+		text.remove(0)
 	for x in array:
 		$Control/VSeparator/ItemList.add_item(x)