Dank-mids

What's Changed
* feat: use __slots__ by BobTheBuidler in https://github.com/BobTheBuidler/dank_mids/pull/92
* fix: parse error for certain providers by BobTheBuidler in https://github.com/BobTheBuidler/dank_mids/pull/93


**Full Changelog**: https://github.com/BobTheBuidler/dank_mids/compare/v4.20.60...v4.20.61

What's Changed
* feat: eth_blockNumber cache by BobTheBuidler in https://github.com/BobTheBuidler/dank_mids/pull/87
* feat: do not batch eth_blockNumber for faster responses by BobTheBuidler in https://github.com/BobTheBuidler/dank_mids/pull/88
* feat: skip override code when not necessary by BobTheBuidler in https://github.com/BobTheBuidler/dank_mids/pull/89
* feat: handle brownie encoder serialization errs by BobTheBuidler in https://github.com/BobTheBuidler/dank_mids/pull/90
* chore: remove no longer necessary hack fix by BobTheBuidler in https://github.com/BobTheBuidler/dank_mids/pull/91


**Full Changelog**: https://github.com/BobTheBuidler/dank_mids/compare/v4.20.59...v4.20.60