More test app nonsense.

muck/models/program.py

@@ -1,6 +1,12 @@
+from sqlalchemy import Column, Integer, ForeignKey
+
 from muck.models.dbref import Dbref, ObjectType
 
 class Program(Dbref):
+    __tablename__ = "programs"
+
+    id = Column(Integer, ForeignKey("dbref.id"), primary_key=True)
+
     __mapper_args__ = {
         "polymorphic_identity": ObjectType.PROGRAM
     }