DAlOG/Parus — pull request #43 by xNekOIx (2014-07-05 22:02:41+00:00)
Title: NSString VFL category

@DAlOG @AndreyMoskvin #19 Check NSString category out and accept.
There are commits available that resolve #27 and #20. Ignore them. :cat2:
Also I've add here some convenient ```PVGroup``` addition:
From now on you can put inside ```PVGroup``` argument array simple ```NSString``` for VFL without need of some additions.