Fixed BG sprite glitch. Minor fixes

BackgroundLayer.py

@@ -0,0 +1,27 @@
+"""
+Background layer entity class
+"""
+
+
+import pygame
+
+from BackgroundLayerFrame import BackgroundLayerFrame
+
+
+class BackgroundLayer():
+    def __init__(self, image, mainGameClass, speedMultiplier):
+        offset = image.get_width()
+
+        self.frames = pygame.sprite.Group()
+
+        self.frames.add(BackgroundLayerFrame(image, mainGameClass, (0, 0), speedMultiplier))
+        self.frames.add(BackgroundLayerFrame(image, mainGameClass, (offset, 0), speedMultiplier))
+
+
+    def update(self):
+        for frame in self.frames:
+            frame.update()
+
+
+    def draw(self, surface):
+        self.frames.draw(surface)