Fix README example typo
Merge pull request #56 from maspwr/patch-1

Fix README example typo
Log digest as :debug instead of :info
Merge pull request #57 from cmer/log_digest_as_debug

Log digest as :debug instead of :info
Take the lookup details into consideration

This makes the cache key generation respect changes in the details key,
allowing for different templates with the same virtual path to coexist.