Properly detect directories

Fixes #366, obsoletes  #371. Filesystem information used in addition to trailing slash.
Merge branch 'patch-1' of https://github.com/arty-name/nodemon into arty-name-patch-1
Initial test to read watch count
TESTING Revert "Find command optimization"

This reverts commit ba7c59ceb7b83f8b18870507bc6150a2ff8e4c60.
Pushing failing test

Trying out on linux platform - expecting a failed test
Put @arty-name's fix back in

Still just testing - and ensuring the fix is solid across platforms.

TODO: revert *back in* the mac find changes
Revert "TESTING Revert "Find command optimization""

This reverts commit b459b6bf68ac614214fb2dd150c651c47c612ac6.
Merge pull request #425 from remy/arty-name-patch-1

Properly detect directories (v2)