Updated de API (markdown)
Reworked "Storage"
Reworked "System"
Reworked "Assets"
Reworked "Sounds", "Sprite methods" and "Map methods"; Some cosmetic changes on previous chapters
Reworked the Chapter "Inputs, control".
Reworked the Chapter "Display screen".
Some cosmetics.
Switched from "Sie" to "Du". Made the text more natural. First Part only (until, but not including "Show Sprites and Maps")
renaming test