clean nocks
correct module name
add CLI tool
add proper exit code
add CLI usage
0.3.0
use TAP output
0.3.1
add failing test for expected-but-undefined
fix failing test expected-but-undefined
add failing test for unexpected-and-undefined
fix failing test unexpected-and-undefined
fix too generous check - null is not undefined
Merge remote-tracking branch 'origin/patch-2'

* origin/patch-2:
  fix too generous check - null is not undefined
  fix failing test unexpected-and-undefined
  add failing test for unexpected-and-undefined
  fix failing test expected-but-undefined
  add failing test for expected-but-undefined
Merge remote-tracking branch 'origin/patch-1'

* origin/patch-1:
  0.3.1
  use TAP output
  0.3.0
  add CLI usage
  add proper exit code
  add CLI tool
  correct module name
  clean nocks