Merge pull request privacy-ethereum#96 from han0110/feature/configura…

…ble-instance-query

Configurable instance query

 feat: implement multi-phase ConstraintSystem (privacy-ethereum#97)

Merge pull request privacy-ethereum#84 from han0110/feature/abstracti…

…on-squashed

Merge pull request privacy-ethereum#78 from Brechtpd/eval-mem

Reduce memory use in h evaluation

halo2 v2022_06_03

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halo2 v2022_05_03

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