Revert "my appconfig (dev on windows - rethink on mac)"

This reverts commit 39b05184bd42b25259b5e871e7617f7e57394645.
Revert "Issue #187 - test case to reproduce inability to Filter on nullable DateTime object"

This reverts commit 648aa076c032436c5e6ec0bce2a009c0fe8c927a.