Tidy documentation
Add Sensio Sphinx extensions.
Update Sphinx config and added Makefile.
Exclude docs/_build directory.
Rewording of introduction.
Rewording and small tidy-up of overview.
Corrections to installing
Small tidy up of configuration
Tidy up caching
Very small changes to metadata
Fix code examples and tidy up of input
Tidy up and format type
Fixes for Doctrine ORM
Tidy up WhereBuilder
Tidy up internals
Formatting for class names