added basic support for Mac OS, fix bug preventing bqt to load on Mac.
- now loads but freezes blender, set the `BQT_DISBALE_WRAP` env var to 1 as workaround
- manually install dependency `pip install iterm2`
- see https://github.com/techartorg/bqt/issues/12 for more
**Full Changelog**: https://github.com/techartorg/bqt/compare/1.3.1...1.3.2