Merge branch 'hotfix/0.1.6-4'

* hotfix/0.1.6-4:
  Updated README.md
  Fixed issue with not properly referencing args.
Ensured CMake checked every directory before giving up.
Check for directory existence.
Merge branch 'hotfix/0.1.6-5' into develop

* hotfix/0.1.6-5:
  Check for directory existence.
  Ensured CMake checked every directory before giving up.