Committing incomplete work for parameter file I/O.

MacroMagic.h is central. Guido and I plan to move
over to generating virtual (XML, JSON, YAML, text, binary) encoding
from macro based system.

lib/Timer.h

@@ -0,0 +1,52 @@
+#ifndef GRID_TIME_H
+#define GRID_TIME_H
+
+#include <sys/time.h>
+#include <ctime>
+#include <chrono>
+
+namespace Grid {
+
+
+  // Dress the output; use std::chrono
+
+// C++11 time facilities better?
+double usecond(void);
+
+typedef  std::chrono::system_clock          GridClock;
+typedef  std::chrono::time_point<GridClock> GridTimePoint;
+typedef  std::chrono::milliseconds          GridTime;
+
+ 
+class GridStopWatch {
+private:
+  bool running;
+  GridTimePoint start;
+  GridTime accumulator;
+public:
+  GridStopWatch () { 
+    Reset();
+  }
+  void     Start(void) { 
+    assert(running == false);
+    start = GridClock::now(); 
+    running = true;
+  }
+  void     Stop(void)  { 
+    assert(running == true);
+    accumulator+= std::chrono::duration_cast<GridTime>(GridClock::now()-start); 
+    running = false; 
+  };
+  void     Reset(void){
+    running = false;
+    start = GridClock::now();
+    accumulator = std::chrono::duration_cast<GridTime>(start-start); 
+  }
+  GridTime Elapsed(void) {
+    assert(running == false);
+    return accumulator;
+  }
+};
+
+}
+#endif