- inserted command statistic

- add runscript parameter to environment object
- added Arg2Tcl0 function

statistics.h

@@ -0,0 +1,36 @@
+/* statistics.h
+
+   statistics on the time spend for commands/tasks
+
+*/
+
+#ifndef STATISTICS_H
+#define STATISTICS_H
+
+typedef struct Statistics Statistics;
+
+Statistics *StatisticsNew(char *name);
+/* create a new Statistics item */
+
+void StatisticsKill(Statistics *s);
+/* kill item */
+
+Statistics *StatisticsBegin(Statistics *s);
+void StatisticsEnd(Statistics *s);
+/*
+  Switch statistics to item s.
+
+  Typical usage:
+
+  old = StatisticsBegin(thisItem);
+
+  ...do work related with thisItem...
+
+  StatisticsEnd(old);
+*/
+
+void StatisticsInit(void);
+
+/* initialize module and activate statistics command */
+
+#endif