* Update to glutin 0.29.0, winit 0.27.0. Closes#695
Change true/false to CursorGrabMode::Locked/None for set_cursor_grab
https://github.com/rust-windowing/winit/releases/tag/v0.27.0
> Breaking: Window::set_cursor_grab now accepts CursorGrabMode to control grabbing behavior.
* Update web-sys to 0.3.59. Closes#699
* Update flate2 to 1.0.24. Closes#698
* Update zip to 0.6.2. Closes#697
* Update to log 0.4.17. Closes#696