added some "make and downcast" helper functions to implement virtual functions without actually needing to instantiate a specific type-paramed gen. class
added some "make and downcast" helper functions to implement virtual functions without actually needing to instantiate a specific type-paramed gen. class

uml-robotics/ROS.NET,beanstalk42/ROS.NET,nickkazepis/ROS.NET,nickkazepis/ROS.NET,nickkazepis/ROS.NET