2.0.0

This is a breaking change.

• Prevent second preimage attack #16

1.6.1

1.6.1 Release

1.6.0

1.6.0 Release

1.5.0

fixed misleading flag hash_leaf -> hash_leaves

1.4.0

test: add default hash function, and merkle tree node

1.2.1

docs: Update Readme Example to v1.2.0 with MerkleTree.Crypto and Proof