DKAFE v0.21

SKILL_LEVEL setting between 1 and 10. 1 is default read from the settings file for Beginner.
Skill level acts as a multiplier for the target scores required to earn coins.

Increase the number of recordings which are displayed on the launch menu to 8.
Flag any recordings that are above 100kb in size (configurable in settings) with love heart so they are easier to find in the list.

Clean up the frontend sounds to remove noise -as reported by Hitesh

Adjust some defaults for better performance

Add Windows XP build script

Add Dkong Fireballs hack by Raulitokong. It appears in the quick access the game list