case insensitive keyboard conf

TetrArcade.py

@@ -203,6 +203,8 @@ class TetrArcade(TetrisLogic, arcade.Window):
         self.init_height = int(self.conf["WINDOW"]["height"])
         self.init_fullscreen = self.conf["WINDOW"].getboolean("fullscreen")
 
+        for action, key in self.conf["KEYBOARD"].items():
+            self.conf["KEYBOARD"][action] = key.upper()
         self.key_map = {
             State.STARTING: {
                 getattr(arcade.key, self.conf["KEYBOARD"]["start"]): self.new_game,

setup.py

@@ -11,7 +11,7 @@ else:
 
 setup(
     name="TetrArcade",
-    version="0.1",
+    version="0.2-dev",
     description="Tetris clone",
     author="adrienmalin",
     executables=[Executable(script="TetrArcade.py", icon=icon, base=base)],