cast ``cookie_max_age`` as int
correctly cast socket_timeout as float
raise ConfigurationError when settings don't include redis.sessions.secret
Merge pull request #8 from ericrasmussen/fix.config_error

require redis.sessions.secret
preparing for next pypi release
Merge pull request #9 from ericrasmussen/fix.config_error

preparing for next pypi release
first pass at changing a timeout for the duration of a session
Set timeout explicitly (setdefault doesn't allow later change)
Merge pull request #10 from ericrasmussen/feature.reset_timeout

Feature.reset timeout