Add new bits.
Populate __all__ variable inside __init__.py files.
Add new index.py file
Refactor how conection config is read from files to make it more generic.
pep8.
More pep8
More pep8.
Improve verbosity functions.

Remove old bits from Config.
Define a VERBOSE global to deal with verbosity levels from other
packages
Refactor SQLSoup connector.
Create custom errors.
Update __init__.py with errors.py file.
Improve naming and docs.
Update with the latest fixes.
Update BaseIndexer function signatures and docs.
Update Indexer function signatures and docs.
Remove stupid functions and argument initializations and default values.
Update Indexer and BaseIndexer docs and function names.
Update docs.
Update old function names, docs and remove unused function args.
Minor bugfix and docs update.