Updated Preview Version

The preview version has been updated with a significant amount of internal code changes to improve stability, ensure the points get awarded correctly, an added point sound, and it removes some unused code. This version still is missing some things that I haven't yet received, but it is a completable demo.  

Additional details:

Internally, I added a new progress tracking class to track the progress of the player and keep track of awarded points to ensure they are awarded when milestones are reached, and optional points are only rewarded a single time. I cleaned up the region code to get rid of unused classes and make sure it was only loaded when it was needed.