Enhancement

- Implemented Record::get_date to eliminated the need to obtain a date
  as a string, then convert to time_t, then instantiate a Date.

src/Record.h

@@ -31,6 +31,7 @@
 #include <vector>
 #include <map>
 #include <string>
+#include <stdio.h>
 #include <Att.h>
 
 class Record : public std::map <std::string, Att>
@@ -49,6 +50,7 @@ public:
   const std::string get (const std::string&) const;
   int get_int (const std::string&) const;
   unsigned long get_ulong (const std::string&) const;
+  time_t get_date (const std::string&) const;
   void set (const std::string&, const std::string&);
   void set (const std::string&, int);
   void remove (const std::string&);