New parameters $apply and $limit in get_files_list() function.
Speed-up of cache cleaning and items deletion in FileSystem cache engine.
Small fixes.

System version 0.253
modules:
Blogs 0.042
Comments 0.005
Cron 0.004
HybridAuth 2.1.1-cs18
OAuth2 0.013
Static_pages 0.025
plugins:
Admin_default_theme 0.001
TinyMCE 3.5.8-cs4