Windows: Fix fullscreen deadlock + release 0.17.1 (#622)

* Windows: Fix fullscreen deadlock

* Release winit 0.17.1

Update cocoa and core-graphics (#608)

* Update cocoa and core-graphics

* Release winit 0.17.0

* Updated date / README version

Update parking_lot and bump version (#593)

Release winit 0.16.1 (#587)

Release winit 0.16.0 (#578)

Release winit 0.15.1 (#564)

Release winit 0.15.0 (#530)

Release winit 0.14.0 (#503)

bump minor version (#468)

* bump minor version

* update changelog date and fix typo

* Updated date (we're going to release for real this time)

* Update version in README for the first time in a long time

Merge pull request #160 from mitchmindtree/publish

Publish 0.6.3 with recent non-breaking macOS fixes