Update docs. Fixes #137
A little more documentation. Fixes #131
Docs polish
Clean up
PEP8 polish
PEP8 and general clean up on tests
Use token_callback for checking tokens.

Fixes error if user is not found.
Merge pull request #139 from codebutler/develop

Use token_callback for checking tokens.
Attempting a fix to get tests to pass with travis. Very odd...
Ignore validation errors in find_user
Merge pull request #140 from joeyespo/ignore-validation-errors

Ignore validation errors in find_user
When logging in user lookups on email should be case insensitive
Update changes
Update CHANGES
Bump version number to 1.6.8
Merge branch 'develop' of github.com:mattupstate/flask-security into develop
Merge branch 'develop'