HTTP method is now passed into authenticate() and check_auth()

HTTP method such as 'GET' or 'PATCH' is now passed into the
authentiate() method and the check_auth() methods to allow for security
checks based on the type of operation being performed.
Updated docs for new "method" parameter in check_auth() & fixed some doc typos

Updated docs to reflect the new "method" parameter in check_auth()
examples & fixed some typos and minor grammatical errors in several
other documentation files.
Fixed two flake8 errors

Fixed two flake8 errors
Merge branch 'develop' of https://github.com/mindjuice/eve into mindjuice-develop
HTTP method is now passed into authenticate() and check_auth()
Ken Carpenter
Fixed some doc typos and grammatical errors
Merge branch 'mindjuice-develop' into develop. Closes #90.