Mxpyserializer

Fixed:
- missing ESDTNFTTransfer transfer decoding for input decoding

Added:
- parsing for interal transaction data during multisend

Fixed:
- utf-8 parsing name

Full Changelog: [v0.2.0...v0.3.0](https://github.com/Catenscia/MxPySerializer/compare/v0.3.0...v0.3.1)

**Added:**
- Constructor as endpoint for the AbiSerializer
- Custom errors
- encoding to bytes improvement

**Fixed:**
- Wrong implementation for AbiSerializer.from_dict

**Full Changelog:** [v0.2.0...v0.3.0](https://github.com/Catenscia/MxPySerializer/compare/v0.2.0...v0.3.0)

Added:
- to/from dict method for AbiSerializer
- method to decode input data for calls and queries

First Release