control interface now supports TaskPool instances:

dotted paths to coroutine functions can be passed to the parser as arguments for methods like `map`;
parser supports literal evaluation for the argument iterables in methods like `map`;
minor fixes

src/asyncio_taskpool/control/server.py

@@ -37,7 +37,7 @@ from .session import ControlSession
 log = logging.getLogger(__name__)
 
 
-class ControlServer(ABC):  # TODO: Implement interface for normal TaskPool instances, not just SimpleTaskPool
+class ControlServer(ABC):
     """
     Abstract base class for a task pool control server.