Revert "Revert "improved""

This reverts commit 9008ff1196153dd3e59788e7f9a45687333d0324.
Revert "improved"

This reverts commit 46957ff5528c25604f45f94558f0ccfb3fb3e64b.
Revert "Added .DS_STORE for Mac OS"

This reverts commit 8dd35a37fc59bcc4a5b4b5de2ca130b540b51a56.