Further details on classes like epsilon compare, further unit tests.

src/blackmisc/pqunits.h

@@ -1,4 +1,4 @@
-/*  Copyright (C) 2013 VATSIM Community / authors
+/*  Copyright (C) 2013 VATSIM Community / contributors
  *  This Source Code Form is subject to the terms of the Mozilla Public
  *  License, v. 2.0. If a copy of the MPL was not distributed with this
  *  file, You can obtain one at http://mozilla.org/MPL/2.0/. */
@@ -649,4 +649,4 @@ public:
 
 } // namespace
 } // namespace
-#endif // BLACKMISC_PQUNITS_H
+#endif // guard