Several documentation enhancements and build warnings fixes

- Made the documentation even more friendly towards newbies.
- Eased the usage of methods like get history which now set
  a default empty message for message actions and vice versa.
- Fixed some docstring documentations too.
- Updated the old normal docs/ to link back and forth RTD.
- Fixed the version of the documentation, now auto-loaded.

readthedocs/extra/basic/working-with-updates.rst

@@ -4,6 +4,12 @@
 Working with Updates
 ====================
 
+
+.. note::
+
+    There are plans to make working with updates more friendly. Stay tuned!
+
+
 .. contents::