v2019.09.22-alpha

New

• #445: type checking.

More on this here.

• #440: if syntax checking. Also warn when if has no else branch.

• #444: support cljs.test/async macro

Fixes

• #434: fix for :lint-as config with clojure.core/for: :let wasn't properly handled
• #436: the version was used twice in the directory structure of the cache (minor)
• #446: CLJS namespace aliases can be used as values.