Fix option errors and add dummy module

tools/main.cpp

@@ -23,6 +23,8 @@
  * \brief    main file
  */
 
+#include <iostream>
+
 #include "CalypTools.h"
 
 int main( int argc, char* argv[] )
@@ -37,19 +39,20 @@ int main( int argc, char* argv[] )
   }
   if( iRet < 0 )
   {
-    printf( "Exiting with error \n" );
+    std::cout << "Exiting with error" << std::endl;
     return 1;
   }
 
   if( CalypToolsApp.Process() < 0 )
   {
-    printf( "Exiting with error \n" );
+    std::cout << "Exiting with error" << std::endl;
     return 1;
   }
 
   if( CalypToolsApp.Close() < 0 )
   {
-    printf( "Exiting with error \n" );
+    std::cout << "Exiting with error" << std::endl;
     return 1;
   }
+  return 0;
 }