Adding another clause to check for directories in the false case of type checking
Adding entry to spec
Adding another clause to check for directories in the false case of type checking

Adding entry to spec
Merge branch 'master' of https://github.com/lowks/erlware_commons
Merge pull request #63 from lowks/master

changes to add another clause to the directory/file check
Merge remote-tracking branch 'upstream/master'
Adding a sha1sum method to complement md5sum