Fix CommandSpec without args and help#2721

Merged

jemc merged 3 commits intomasterfrom cli-tests

Jun 1, 2018

Commits on May 29, 2018

fix cli example for Env.vars now being a field
Matthias Wahl
committed
include cli tests in stdlib test suite
Matthias Wahl
committed
fix CommandSpec.leaf without args and with help added
Matthias Wahl
committed