Merge branch 'master' into researcher2

tests/testdata/math_intermediate_algebra-v1-res.json

+{"results": {"math_intermediate_algebra": {"acc": 0.0, "acc_stderr": 0.0}}, "versions": {"math_intermediate_algebra": 1}}
\ No newline at end of file

tests/testdata/math_num_theory-v1-greedy_until

+b920ccb507afdcf3ef6f4c04891913731e9f32ec914801791c6d9f8abf6e1897
\ No newline at end of file

tests/testdata/math_num_theory-v1-res.json

+{"results": {"math_num_theory": {"acc": 0.0, "acc_stderr": 0.0}}, "versions": {"math_num_theory": 1}}
\ No newline at end of file

tests/testdata/math_prealgebra-v1-greedy_until

+752cdf343d7152e476b0273065024f6ea0e0f47ea385c6bdf9067736cb39724a
\ No newline at end of file

tests/testdata/math_prealgebra-v1-res.json

+{"results": {"math_prealgebra": {"acc": 0.0, "acc_stderr": 0.0}}, "versions": {"math_prealgebra": 1}}
\ No newline at end of file

tests/testdata/math_precalc-v1-greedy_until

+bc834b06fd79473ca6fe38a51b714aad0bf0478c1b0eec787eca34dbdf69cb71
\ No newline at end of file

tests/testdata/math_precalc-v1-res.json

+{"results": {"math_precalc": {"acc": 0.0, "acc_stderr": 0.0}}, "versions": {"math_precalc": 1}}
\ No newline at end of file