get action renewal session expire time

[jmeo]

If use do redis get action , the expire time also is last set action ttl . If user always do get action , the redis key will be removed by the time.

[niftylettuce]

Can you submit a pull request or provide more insight?

[jmeo]

in index.js at line 115 , method in method get , just do client.get , not do expire action