* Add ENS avatar resolution
As well as arbitrary fields.
* Use try_join
* Improve reqwest's error passing
* Split avatar resolution in ERC token parsing and resolution
* no_run examples
* Rename token to NFT
* A bit more documentation
* Nightly cargo fmt
* Use different ERC-721 test
* Update CHANGELOG
Co-authored-by: Georgios Konstantopoulos <me@gakonst.com>