Merge pull request web3swift-team#152 from matter-labs/develop

2.1.3 fix No2

Merge pull request web3swift-team#141 from matter-labs/develop

Swift 5 update

Merge pull request web3swift-team#132 from dexon-foundation/develop

let some functions public for customization

Merge pull request web3swift-team#124 from matter-labs/develop

2.1.0

Merge pull request web3swift-team#95 from matterinc/2.0

introduce a fix for invalid value in gas estimation, call and send transactions

fix zero value on gas estimation

Merge pull request web3swift-team#84 from matterinc/2.0

2.0.1

- Add extra hook function

- Fix ENS
- Implement nonce middleware, example is in tests

- Remove "Result" everywhere

- Make Podfile more explicit

Merge pull request web3swift-team#70 from matterinc/develop

Function visibility fix