opam install zmqopam remove zmqAPI documentation can be found here
With OPAM 2.x you can create a local switch which will install all dependencies automatically.
opam switch create ./ 4.06
makeSee LICENSE.md.
To the guys from the #ocaml channel, gildor, thelema, kaustuv and many others, wagerlabs, little-arhat and the ocaml-uint authors.