* add Sage for constant time tonelli shanks
* Fused sqrt and invsqrt via Tonelli Shanks
* isolate sqrt in their own folder
* Implement constant-time Tonelli Shanks for any prime
* Implement Fp2 sqrt for any non-residue
* Add tests for BLS12_377
* Lattice decomposition script for BLS12_377 G1
* BLS12-377 G1 GLV ok, G2 GLV issue
* Proper endomorphism acceleration support for BLS12-377
* Add naive pairing support for BLS12-377
* Activate more bench for BLS12-377
* Fix MSB computation
* Optimize final exponentiation + add benches
* Clear cofactor in BN254 G2 testgen and frobenius
* Implement G2 endomorphism acceleration in Sage
* Somewhat working accelerated scalar mul G2 (2.2x) faster
- OK for BN254_Snarks
- Some test failing for BLS12-381
* Fix negative miniscalars by adding an extra bit of encoding
* Cleanup accel params
* Small recoding optimizations