pothos-library: began work on a general interface for templated method calls
pothos-library: use call interface to implement callable
pothos-library: block inherits from the call interface
pothos: replace emit signal args with call interface
pothos-library: reimplement the object container factory specialization
pothos: change to call interface to support meta arguments
pothos-library: move call interface into base class connectable
pothos-library: moved call registry into connectable base class
pothos-library: moved call registry to callable directory
pothos-library: made opaqueCallMethod a const method
Merge branch 'call_interface'