cgltf v1.14

• Add support for writing glb files.
• Add support for KHR_materials_anisotropy.
• Add support for KHR_materials_dispersion.
• Add cgltf_component_size() and cgltf_size cgltf_calc_size() to help calculating required memory.
• Add getter functions for indices of various objects.
• Add cgltf_accessor_unpack_indices() to optimize data extraction.
• Change handling of extras data to make a copy of the data.
• Improve validation.
• Improve parsing robustness.
• Fix support for EXT_mesh_gpu_instancing.
• Fix writing of normal and occlusion texture info.
• Fix writing extras data for lights.
• Fix handling 2GB+ files.
• Fix undefined behavior when converting negative floats.
• Fix detection of whether the cgltf is being compiled with MSVC.
• Fix unnecessary usage of variable length arrays.
• Remove support for extras and extensions in cgltf_accessor_sparse and cgltf_texture_view.