Dropping Time instances support
typo
Renaming to Lotus::Action::Cache
Renaming files
extracting a cache control class which will be responsible to store default cache_control values
Extracting a expires class which will be responsible to store expires default values
Now it's possible defining a default/global cache_control directive for all actions
Now it's possible defining a default/global expires directive for all actions
Implementing two modules with cache control and expires implementation headers
Improving rdoc
class methods documentation
Replacing ifs by null objects