Patch release that addresses various issues:
- Several bug fixes to properly reject invalid input upon read
- A check to enable SSE2 when building with Visual Studio
- A check to fix building with VisualStudio on ARM64
- Update the automatically-downloaded version of Imath to v3.1.4
- Miscellaneous documentation improvements
This addresses one public security vulnerability:
- CVE-2021-45942 Heap-buffer-overflow in Imf_3_1::LineCompositeTask::execute
See CHANGES.md for more details.