Feature: check if configuration defines already defined so that they can be overridden
Feature: Slightly better readme
Bugfix: cache_simplecachecache -> cache_simplecache
Rename: SIMPLE_CACHE_CAN_SIMPLECACHE_CACHE -> SIMPLE_CACHE_CAN_DATABASE_CACHE
Merge branch 'master' of github.btengageit.net:BT607478707/drupal_simple_cache