imtegrated sorting with filter and checked from items' ids
tree1ce3dfbb01c3c9bfe86dd57487c824ad8433bb14
-rw-r--r-- 92 .gitignore
-rw-r--r-- 14 .rspec
-rw-r--r-- 708 Gemfile
-rw-r--r-- 2706 Gemfile.lock
-rw-r--r-- 9208 README
-rw-r--r-- 279 Rakefile
drwxr-xr-x - app
drwxr-xr-x - autotest
-rw-r--r-- 164 config.ru
drwxr-xr-x - config
drwxr-xr-x - db
drwxr-xr-x - doc
drwxr-xr-x - lib
drwxr-xr-x - public
drwxr-xr-x - script
drwxr-xr-x - vendor