LOCAL CHANGES

  - Rewrite endian code so it's optimizable
  - Add malloc() to functions w/ frames greater than PAGESIZE
  - Removed undefined behavior
  - Removed BMP [endian code made it 100x slower than PNG/JPEG]
  - Removed PIC [never heard of it]
  - Removed TGA [consider imaagemagick convert command]
  - Removed PSD [consider imaagemagick convert command]
  - Removed HDR [mine eyes and wikipedia agree stb gamma math is off]
  - Patched PNG loading edge case
  - Fixed code C standard says is undefined
  - PNG now uses ultra-fast Chromium zlib w/ CLMUL crc32
  - Removed unnecessary ifdefs
  - Removed MSVC torture code

SYNCHRONIZATION POINT

  commit f67165c2bb2af3060ecae7d20d6f731173485ad0
  Author: Sean Barrett <sean2@nothings.org>
  Date:   Mon Oct 28 09:30:02 2019 -0700

      Update README.md
