A singleton dispatcher responsible for making the actual FFI calls into the hiredis C library. It uses an <EsHiredisCallEngine> strategy object to determine whether the calls should be executed synchronously or asynchronously. This class acts as the central point of contact between the Smalltalk environment and the native library.

  Answer a new instance of a library dispatcher using the default call engine.
     
     Answers:
        <HiredisLibraryDispatcher> A new instance.