Furher implementation and improvement of the Chrono types and also exposed them to the module API.

Tighten the safety of exported functions to avoid exceptions leaking outside the host plugin.

source/Library/Chrono/Date.hpp

@@ -351,6 +351,10 @@ public:
         return Chrono::DaysInMonth(m_Year, m_Month);
     }
 
+    /* ------------------------------------------------------------------------------------------------
+     * Convert this date instance to a time-stamp.
+    */
+    Timestamp GetTimestamp() const;
 };
 
 } // Namespace:: SqMod