Improve docstrings.

Author: Poikilos

openlcb/dataprocessor.py

@@ -8,7 +8,8 @@ class DataFormat(Enum):
 
 
 class DataProcessor:
-    """Superclass for data listeners.
+    """Collect & process consecutive data from each incoming MemoryReadMemo.
+    Superclass for data listeners.
     """
     def __init__(self):
-        pass
+        pass

openlcb/metadataprocessor.py

@@ -59,7 +59,7 @@ def format_of_space(space):
 
 
 class XMLDataProcessor(xml.sax.handler.ContentHandler, DataProcessor):
-    """Manage Configuration Description Information.
+    """Collect & process consecutive XML data from each incoming MemoryReadMemo
     - Send events to downloadCDI caller describing the state and content
       of the document construction.
     - Collect and traverse XML in a CDI-specific way.