Add test to see how many exceptions are during simple use

samples/test_num_exceptions.cpp

@@ -0,0 +1,32 @@
+#include <chaiscript/chaiscript.hpp>
+#include <chaiscript/chaiscript_stdlib.hpp>
+#include <chaiscript/dispatchkit/bootstrap_stl.hpp>
+#include <chaiscript/dispatchkit/function_call.hpp>
+
+int main( int argc , char * argv[] )
+{
+  chaiscript::ChaiScript ch( chaiscript::Std_Lib::library( ) );
+
+  static const char script[ ] =
+    R""(
+
+      class Rectangle
+      {
+        def Rectangle() { }
+      }
+
+      var rect = Rectangle( );
+
+    )"";
+
+  try
+  {
+    ch.eval( script );
+  }
+  catch ( std::exception e )
+  {
+    printf( " >>> Exception thrown: %s \n" , e.what( ) );
+  }
+
+  return 1;
+}