Properly linked to writing-models from getting-started.rst.
Corrected a query usage typo in the docs.
PEP8 compliance changes
PEP8 compliance for auth module
PEP8 compliance for db module
Merge pull request #168 from shaunduncan/PEP8

Reworked PEP8 compliance
Updated testing docs and pointed install script to 1.8.2
Merge pull request #171 from shaunduncan/docs

Updated testing docs