change the source :rubygems to http://rubygems.org since that is deprecated
Merge pull request #3 from rubemz/fix/gemfile

change the source :rubygems to http://rubygems.org
add cache_method_clear_on
Merge pull request #4 from rubemz/feature/clear-cache-on

add cache_method_clear_on, "useful when a cache should be cleared whenever another method is called"
bump patch