clufs-0.5 released

New feature: attributes. With attributes and set-attributes calls user may associate any data to path. Data could be for example property list or association list.
Here is a sample code:

(clufs:create clufs '(file-1))
(set-attributes '((property-1 1) (property-2 'x)) clufs '(file-1))
(attributes clufs '(file-1))
; => '((property-1 1) (property-2 'x))