Updating versions on Xcode, also ensuring to reveal the parent direct…

…ory of the exception file if it doesn't exist yet.

Updated date for 0.4.2 release in changelog

Hot-fix for not connecting input to output when loading old projects

Small note in readme about loading vst3's on Windows

OS X build versions updated

Merged in feature/multi-channel (pull request #6)

(0.3.7) Multi-channel feature

Small return fix on windows

Fixed serialization type mismatch, and the audio stream is now initla…

…lized to a default sensible value assisting in persisting the values of the time knobs.

Windows version updates

Former-commit-id: 3f537aeb6bafad035722b056b5e1707a84791d0f

Bumped to 0.2.9, fixed names of value group controls (like colour con…

…trols) and abbreviated some controls' names.

Former-commit-id: 8b8ca54cf6df9389c8e331c6bb608915f3e272f4