Move Wpair wolf.h ---> converter.h

include/core/common/wolf.h

@@ -283,14 +283,6 @@ inline bool file_exists(const std::string& _name)
 inline const Eigen::Vector3d gravity(void) {
     return Eigen::Vector3d(0,0,-9.806);
 }
-template<class A, class B>
-struct Wpair : std::pair<A,B>
-{
-  Wpair(A first, B second): std::pair<A,B>(first, second)
-    {
-
-    }
-};
 } // namespace wolf
 
 #endif /* WOLF_H_ */

include/core/utils/converter.h

@@ -23,6 +23,14 @@
  */
 namespace wolf{
 
+template<class A, class B>
+struct Wpair : std::pair<A,B>
+{
+  Wpair(A first, B second): std::pair<A,B>(first, second)
+    {
+
+    }
+};
     //// CONVERTERS ~~~~ STRING ----> TYPE
 template<typename T>
 struct converter{