Merge branch 'release-0.3.7' into develop
removed debugging line, added force_expire_pointers to get_cache_keys, to allow pointer_keys to be merged into the returned list of cache keys
Added killcache command
new Meta option 'filter_translations', to allow mapping of key-based filters to columns in secondary tables
Merge pull request #20 from dieselmachine/latest

Latest
Bumped version
Merge branch 'release-0.3.8'