Fixing san issue on a malformed PNG file. This check wasn't accountin…

…g for the full header's size (it was off by a DWORD).

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Bumping version to 1.0.6

Adding wuffs workaround, training option, new Huffman tables

Fixing comment

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Changing SSE adler32 to iterate 16 bytes at a time vs. 8.

Changing adler32 function types to match the crc32 function.

Fixing check here so it uses a uint64_t multiply

Ensuring temp buffer is always a little larger than it's needed, beca…

…use the compresssors read 24bpp pixels as DWORD's

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