* Bump the dependencies and remove patch

* temp remove dev-dependencies (until curves are published)

due to circular dev-dependencies

* bring back dev-dependencies

to be merged only after curves crates are released

* bump patch version

* fix

* use frobenius_map_in_place instead of frobenious_map

* temp remove dev dependencies

* chore: Release ark-r1cs-std version 0.4.0-alpha.2

* Revert "temp remove dev dependencies"

This reverts commit 6b3ba6a5e9.

* fix test import after curves have a new version

* chore: Release ark-r1cs-std version 0.4.0-alpha.3

Co-authored-by: onewayfunc <onewayfunc@gmail.com>

* 2-NAF for MNT pairings

* Apply suggestions from code review

* Apply suggestions from code review

* fix

* no std

* patch

* ci

Co-authored-by: Weikeng Chen <w.k@berkeley.edu>
Co-authored-by: onewayfunc <onewayfunc@gmail.com>

Co-authored-by: Sun <huachuang20@gmail.com>
Co-authored-by: Pratyush Mishra <pratyushmishra@berkeley.edu>

Co-authored-by: Nicholas Ward <npward@berkeley.edu>

* `to_bits` -> `to_bits_le`
* `BitIterator` -> `BitIteratorLE` + `BitIteratorBE`
* `found_one`/`seen_one` -> `BitIteratorBE::without_leading_zeros`

* Add mnt6_753 curve
Generalize mnt6 curve model

* Add mnt4 curves

* Use resampled generators

* Calculate correct G2 cofactors

* Add fields to r1cs-std

* Add pairings

* Improve reusing of Fq/Fr among MNT curves

* Add instantiations of curves
Fix Fp6_2over3
Rebase code to current master

* Add test for recursive NIZK proof verification

* Address comments in PR

* Improve test case and port to GM17
Also fix a minor bug in to_field_vec