v3.1.1

This is a bug fix release. There are a few minor API changes. Making way for 3.2.0 work.

There are no documentation updates with this releases.

What's Changed

• Warning as error off by default by @erincatto in #914
• functions to get and set surface material by @erincatto in #921
• Fixed another shape distance assert by @erincatto in #926
• Revolute and prismatic targets by @erincatto in #929
• Cast initial overlap by @erincatto in #933
• Tunable joint stiffness by @erincatto in #934
• _aligned_free for mingw by @erincatto in #939
• Removed MSVC static library setting by @erincatto in #940

Full Changelog: v3.1.0...v3.1.1