* refine docs

docs/sphinx_doc/source/conf.py

@@ -40,3 +40,11 @@
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
+
+def skip(app, what, name, obj, would_skip, options):
+    if name == "__init__":
+        return False
+    return would_skip
+
+def setup(app):
+    app.connect("autodoc-skip-member", skip)