More splitting and minor changes

Player.py

@@ -1,5 +1,11 @@
+"""
+Player entity class
+"""
+
+
 import pygame
 
+
 class Player(pygame.sprite.Sprite):
     def __init__(self):
         pygame.sprite.Sprite.__init__(self)
@@ -31,4 +37,3 @@ class Player(pygame.sprite.Sprite):
 
         self.speed += 0.17
         self.rect.y += self.speed
-