Version 0.6.0 Uploaded!

Version 0.6.0 of Pro Gymnast is now available!  This version is a pretty big update.  Most notable additions are:

1. New environments!  The default environment is now a beachside location, similar to muscle beach in southern California.

2. A practice gym.  this has several standard (and some non-standard) apparatus for practicing, including a foam pit.

3. Replay system upgrades, including the ability to do simple edits, control playback speed in the replay, and change camera angles.

4. Tweaks to the gymnast physics, and many bug fixes and improvements.