Various PEP8 & typos fixes. Update setup.py
Fixes, according to @blueyed comments
Merge pull request #143 from Stranger6667/cleanup

Various PEP8 & typos fixes. Update setup.py
Remove support for having settings within test directories
Move django.setup() to right after settings. Refs #119.
This patch is still not working properly with regard to loading settings
from within the test directories.
Fix for error message for invalid settings
Call django.setup() directly after configuring settings
Added changelog entry for #119, #134
Fixed an regression when configuring Django from pytest_configure or
from a custom script file.