Merge pull request syoyo#501 from msklywenn/release

Fix Animation extensions being loaded in place of Sampler extensions

Merge pull request syoyo#493 from ptc-tgamper/bug/model_clear_on_load

Properly clear the model before loading

Merge pull request syoyo#492 from danwillm/inverse-bind-matrix

Make inverseBindMatrices optional

bump minor version.

Merge pull request syoyo#489 from SeanCurtis-TRI/PR_callback_as_function

Update typedefs of C-style function pointers to std::function

Merge pull request syoyo#486 from pmcgvr/release

Fix stripping of slashes from paths

Merge pull request syoyo#471 from ptc-tgamper/ftr/msft_lods

[Feature] Add basic support for MSFT_lod extension

Allow zero-sized BIN chunk. Fixes #440

Merge pull request syoyo#467 from rhiskey/release

Small security and overflow patch

Merge pull request syoyo#456 from haroonq/patch-1

Allow BufferView indices to be unspecified.