Rawdraw 1.0 RC 2

What's Changed

• Free XVisualInfo after creating Context by @DavidVentura in #99
• Stop Logcat spam by @DavidVentura in #100
• Improve Wayland compatibility.
• Significantly expand Android utility functions.

v1.0rc1...v1.0rc2

Rawdraw 1.0 RC 1

This is the release of rawdraw_sf.h, the single-file header for rawdraw.

This is the last version before the 2020 refactor.

0.9-stable

Update build for Linux.

Sort of like a release candidate.

pre-0.9

Fix warnings.