Enhancements:
- [deserialize; bytes_to_Hash160Str](https://github.com/Hecate2/neo-fairy-client/commit/de9637d2339a32283d53658f15737c9dff0931ec)
- [list contracts](https://github.com/Hecate2/neo-fairy-client/commit/4490374b69705fec7b2b89ca7385e1dc5d755a72)
- [get_many_unclaimed_gas](https://github.com/Hecate2/neo-fairy-client/commit/1a929dc40e6381f82429100a260404e6670947d8)