Revert "Add tests."

This reverts commit 55ab18cfcaf4ccdf1a03da4c54326bb085b1e0c6.
Revert "Fix compile time issues, fix some formatting"

This reverts commit 65a901810d0d67921eda532fc01571dbbea1f06e.
Revert "added file_mtime_age_ok file_mtime_gt_ok file_mtime_lt_ok."

This reverts commit 02379e669bc7cd3684028cb6d4c641620a3faf6b.