* cleaned up qe api

* modified goldilocks poseidon to use optimized goldilocks operations

* better comment

* added goldilocks test cases

* some cleanup and comments

* changed poseidon constaints to frontend.Variable

* fixed double cast

* fixed bug in challenger

* initial commit of poseidon bn128

* got challenger working

* deserialize is working

* cleaned up deserialization function a bit

* fixed challenger

* add in the hack to the challenges

* fixed some bugs in poseidon_bn128

* fri verification is working

* some changes for benchmarking

* added decode_block plonky2 data

* initial commit for poseidon_mds_gate

* updated gate test cases

* working poseidon mds gate

* full verifier test case working