Merge pull request #4 from david-swenson-wisertogether/patch-1

Update License.txt

Update middleware.py

use modern python json

add ability to provide an override function for cookie domain

update to use django 1.4 signing conventions if possible

add middleware request logging debug statements

Added logic to suppress and record shared auth configuration error

adding logging for cookie modification events

remove logging and unnecessary conditionals

Merge remote-tracking branch 'viraj-github/master'

1. Added LOGGIN variable to enable disable logging. 2. Return 500 error from process_request.

Merged changes by Easel & Added logging support.

properly handle cookie deletes, do not skip setting cookie if authenticated

1. Added logger statements