Fix symbol collisions with blake2b (tevador#145)

Benchmark v1.1.5

Benchmark v1.1.4

Benchmark v1.1.3

Benchmark v1.1.2

Update --jit flag description

Fix JIT fallback

Merge branch 'jtgrassie-affinity'

Merge pull request tevador#47 from tevador/pr-doc

Documentation and tests

Added performance simulation