0x.js v0.20.0

• Add zeroEx.token.getLogsAsync (#178)
• Add zeroEx.exchange.getLogsAsync (#178)
• Fixed fees validation when one of the tokens transferred is ZRX (#181)

0x.js v0.19.0

• Made order validation optional (#172)
• Added Ropsten testnet support (#173)
• Fixed a bug causing awaitTransactionMinedAsync to DDos backend nodes (#175)

0x.js v0.18.0

Added zeroEx.exchange.validateOrderFillableOrThrowAsync to simplify orderbook pruning (#170)

0x.js v0.17.0

• Made zeroEx.exchange.getZRXTokenAddressAsync public (#171)

0x.js v0.16.0

• Added the ability to specify custom contract addresses to be used with 0x.js (#165)
  • ZeroExConfig.exchangeContractAddress
  • ZeroExConfig.tokenRegistryContractAddress
  • ZeroExConfig.etherTokenContractAddress
• Added zeroEx.tokenRegistry.getContractAddressAsync (#165)

0x.js v0.15.0

• Added the ability to specify a historical blockNumber at which to query the blockchain's state when calling a token or exchange method (#161)

0x.js v0.14.2

• Fixed an issue with bignumber.js types not found (#160)

0x.js v0.14.1

• Fixed an issue with Artifact type not found (#159)

0x.js v0.14.0

• Added zeroEx.exchange.throwLogErrorsAsErrors method to public interface (#157)
• Fixed an issue with overlapping async intervals in zeroEx.awaitTransactionMinedAsync (#157)
• Fixed an issue with log decoder returning BigNumbers as strings (#157)

0x.js v0.13.0

• Made all the functions submitting transactions to the network to immediately return transaction hash (#151)
• Added zeroEx.awaitTransactionMinedAsync (#151)
• Added TransactionReceiptWithDecodedLogs, LogWithDecodedArgs, DecodedLogArgs to public types (#151)
• Added signature validation to validateFillOrderThrowIfInvalidAsync (#152)