Convert input in login form to uppercase

controllers/player.py

@@ -18,6 +18,9 @@ def create():
     if (len(room_code) != 4) or (len(user_name) == 0) or (len(user_name) > 15):
         return(FAIL(CODE_SEMANTIC))
 
+    room_code = room_code.upper()
+    user_name = user_name.upper()
+
     room_record = ROOM_GET_CODE(room_code)
 
     if not room_record: