Improved toc of documentation

doc/api/core.rst

-
 Core library
 ------------
 
-Sub-packages
-~~~~~~~~~~~~
+Sub-packages:
 
 .. toctree::
    :maxdepth: 2
 
    core.protocols
 
-Module members
-~~~~~~~~~~~~~~
-
 .. automodule:: sjrpc.core
    :members:
    :inherited-members:

doc/index.rst

@@ -4,7 +4,7 @@ Welcome to sjRpc's documentation!
 Contents:
 
 .. toctree::
-   :maxdepth: 2
+   :maxdepth: 3
 
    fundamentals
    examples

sjrpc/core/__init__.py

@@ -15,11 +15,6 @@ This packages export following function/classes:
 
 It also contains a sub-package containing protocols: :mod:`core.protocols`.
 
-.. toctree::
-   :hidden:
-
-   core.protocols
-
 '''
 
 from sjrpc.core.rpcconnection import *