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Adds support for the following extensions:

• KHR_materials_clearcoat
• KHR_materials_volume
• KHR_materials_iridescence
• KHR_materials_transmission
• KHR_materials_sheen
• KHR_materials_specular
• EXT_mesh_gpu_instancing

... and fixes minor issues in extensions:

• KHR_texture_transform
• KHR_materials_pbrSpecularGlossiness

Note that this change also adds the string constant for the KHR_materials_variants extension, but it does not implement it. This will be done later if needed.

Added security compiler flag guard:ehcont for MSVC. This should allow projected that want to use the flag to link against glTF-SDK. Projects that don't use it should not be affected by this change.

Additional Information: https://docs.microsoft.com/en-us/cpp/build/reference/guard-enable-eh-continuation-metadata?view=msvc-170

This release contains 3 commits:

• Expand ReadSparseBinaryData index check to check for overflow
• Krzysztof domanski fix type compare warning
• Update Version.h

This release contains a fix for an OOB writing issues with sparse accessors

This release contains 1 commit:

• Fix issue with VS 2019 building and added VS2019 testing

This release contains 1 commit:

• Force udpate for RapidJSON_DIR value

This release contains 3 commits:

• Force udpate for RapidJSON_DIR value
• Update autopkg file for Windows glTF.CPP
• Fix OOB Writing issue when using sparse accessors

This release contains 1 commit:

• inlined output function so dtor/ctor matches between vs2017 and vs2019

Contains a fix to switch the read flag for RapidJSON to use Iterative, instead of Recursive

This release adds the following commits:

• Adding iterative parse flag to prevent stack overflow issue
• Missing includes for VS2019
• Fix aspectRatio deserialization