Mobius updated to v1.21

Jeff Larson has released version 1.21 of Mobius.

New feature:

• The "Save Audio Recording" function now saves files with names of the form "recordingx.wav" where "x" is a number to qualify the file name. This allows you to save several recordings to unique file names.

Bugs fixed:

• Suddenly resetting loop when starting Multiply in some cases.
• Removed generation of debugging files in a few case that could have caused audible clicks.