VSamp updated to v3.2.6

- Floating windows no longer have to be clicked twice to select a control when not the current active window.
- Status of floating windows now restored after quitting.
- Up and down arrows now increment/decrement keygroup in Amplitude and Tuning windows.
- SampleCell 1.x instruments correctly identified when trying to import and error message given.
- Fixed problem with hanging notes under OS X.