Considers cache dirty if cache duration changes
Default value for $initial_cache_duration to avoid errors during migration
Merge pull request #68 from jay3/cache_duration

Considers cache dirty if cache duration changes
Add missing translation
Similar to plural form (above in the same file)
remove duplicate line...
Merge pull request #69 from vrcAlbert/master/chiba2

Add missing translation
Merge master/chiba2