Close #174 PR: made "concurernvy vs. parallelism" section clearer.
Close #174 PR: made "concurernvy vs. parallelism" section clearer.

avajs/ava,andywer/ava-ts,Collinslenjo/ava,floatdrop/ava,vdemedes/ava,Collinslenjo/ava,avajs/ava,BarryThePenguin/ava,sindresorhus/ava,andywer/ava-ts