Changes related to creation of a modular backend in multiprecision [SyncWith: crypto3-multiprecision#70] #275

7 fail, 66 pass in 30s

  22 files +  18 22 suites +18 30s ⏱️ +30s
  73 tests +  68 66 ✔️ +61 0 💤 ±0   7 ❌ +  7
111 runs +101 99 ✔️ +89 0 💤 ±0 12 ❌ +12

Results for commit 358be60. ± Comparison against earlier commit 950bbdd.