bumped version
Refactoring Associations cache

Reduce duplication
add clarity
Merge pull request #47 from ScotterC/association-cache-expiry

Refactoring Associations cache
Railtie to load Cacheable into ActiveRecord

Fix for expiring class methods with no arguments
Fix for duplicating expire method names overwriting each other
Merge pull request #48 from ScotterC/belongs-to-confusion

Railtie to load Cacheable into ActiveRecord