Tinychain

Changelog:
- new SparseTensor data structure
- replication performance improvements, especially for multi-cluster replication
- assorted bugfixes

SHA256 checksum (tinychain): 29a166bef5b67cf9023fbab7e2cabd4b737be1a9f768480e81de49cb12ef853a
SHA256 checksum (tinychain_gpu): 5dd7c5fe5181bbf7b3c9730bda12c46e099fb2137fcfffbd18a15a50488db696

Please note that all Tensor features (including SparseTensor) require the ArrayFire library. There are instructions to install ArrayFire in the README: https://github.com/haydnv/tinychain

Note: this release introduces Tinychain's automatic GPU acceleration, which requires the ArrayFire library. There are instructions in the "Getting Started" section of the README to install ArrayFire.

Changelog:
* Add preliminary support for the Tensor feature (dense Tensor only)
* Add update method to the public API of Table

SHA256 checksum (tinychain): 1e67ba5b281ba77b32702352d8840bb6ac30711a0e5e698c12ec640c3b70de5f
SHA256 checksum (tinychain_gpu): 29b4d0860477bc976ed1a528277932616eeab5fbf668baaf6bb1bbe77814a9cd

Changelog:
* Chains now support using a Collection as the value of a PUT operation
* Improved blockchain replication performance

SHA256 checksum: f4bce05f93837a4d00e4f1648cb73640e8f99b30c356ed0d80d82e3c24439b42

SHA256 checksum: c177be076fac9740ce72029ac8b253b8d12c90fc3f3cd6c0cd80a3d2f286e216

Changelog:
* Improve usability of Table API

SHA256 checksum: 0524c818823ca7fd6dfe1c5da6286889192c78465a6431463a7a290af95ea889

changelog:
* add Table support
* improve filesystem cache synchronization
* improve Chain inheritance support (in the Python client)

SHA256 checksum: 89d7b873765f77beff6064b7236572a8d9c75b956791e38cba26f74fbb0f493f