bismark releases v4.0 beta 2 of bs-16 and bs-1

bismark has released version 4.0 beta 2 of bs-16 and bs-1.

Changes:

• [VST] Supported VST 2.4 rev2 SDK.
• [Mac OS X / Audio Units] Fixed output bus layout.
• Fixed portamento / mono control.
• Fixed key (coarse tune) control.