Fixed doc index

Author: technige

docs/source/index.rst

@@ -30,16 +30,22 @@ Session API
 .. autoclass:: neo4j.v1.ResultSummary
    :members:
 
-.. autoclass:: neo4j.v1.Counters
+.. autoclass:: neo4j.v1.SummaryCounters
    :members:
 
 
 Exceptions
 ==========
 
+.. autoclass:: neo4j.v1.ProtocolError
+   :members:
+
 .. autoclass:: neo4j.v1.CypherError
    :members:
 
+.. autoclass:: neo4j.v1.ResultError
+   :members:
+
 
 Example
 =======