Problem: Precompiled headers not being used

Solution: Phase I - make precompiled.hpp be first file included in every source file

src/req.cpp

@@ -27,6 +27,7 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include "precompiled.hpp"
 #include "req.hpp"
 #include "err.hpp"
 #include "msg.hpp"