BuzZer updated to v0.1.2

BuzZer has been updated to version 0.1.2.

Changes since v0.1:

• New GUI design.
• VCF - implemented the keytrack option.
• VCF - has new Envelope control.
• VCA - now has LFO and Velocity.
• Disabled debug option to speed things up a little.
• Added some new presets.