Merge pull request maticnetwork#76 from maticnetwork/mintable_erc_115…

…5_predicate_single_withdraw

Fix `TransferSingle` of MintableERC1155

new: updated package.json version

Merge pull request maticnetwork#70 from maticnetwork/batch-withdraw-a…

…nd-metadata-transfer

Batch deposit/ withdraw MintableERC721 & transfer arbitrary metadata for ERC721

Merge pull request maticnetwork#68 from maticnetwork/update-artifacts…

…-flattened-contracts

Flattened contracts

Merge pull request maticnetwork#62 from maticnetwork/mintable-erc20-a…

…nd-erc1155-predicate

Mintable ERC20 & ERC1155 Predicate [ READY FOR REVIEW ]

1.2.0

1.1.0

Merge pull request maticnetwork#30 from maticnetwork/artifacts

Artifacts and flat contracts

Merge pull request maticnetwork#3 from maticnetwork/feature/upgradabl…

…e-contracts

upgradable contracts