wbl print, added file header with version in wb_load and wb_dmp files

wb/lib/wb/src/wb_print_wbl.cpp

@@ -44,6 +44,7 @@
 #include <assert.h>
 #include <stdio.h>
 
+#include "pwr_version.h"
 #include "co_string.h"
 #include "co_time.h"
 
@@ -194,6 +195,12 @@ void wb_print_wbl::printVolume(wb_volume& v, bool recursive)
     return;
   }
 
+  char timstr[40];
+  time_AtoAscii(0, time_eFormat_DateAndTime, timstr, sizeof(timstr));
+  indent() << "!     Generated by wb_print_wbl " << timstr << "\n";
+  indent() << "!     Volume " << v.name() << " \n";
+  indent() << "!     Version " pwrv_cPwrVersionStr "\n";
+
   wb_object o = v.object();
   const char* cname = v.cdef(v.cid()).name();