[4.0] b105356 document some more object variables

[Lasse Karstensen]

commit b10535627b3c3780cf20ec3fb25d2b7fe5773b04
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Thu Oct 9 17:24:54 2014 +0200

    document some more object variables

diff --git a/lib/libvcc/generate.py b/lib/libvcc/generate.py
index bf94c69..5ba1405 100755
--- a/lib/libvcc/generate.py
+++ b/lib/libvcc/generate.py
@@ -581,19 +581,21 @@ sp_variables = [
 		'DURATION',
 		( 'hit', ),
 		( ), """
-		The object's grace period in seconds.
+		The object's remaining grace period in seconds.
 		"""
 	),
 	('obj.keep',
 		'DURATION',
 		( 'hit', ),
 		( ), """
+		The object's remaining keep period in seconds.
 		"""
 	),
 	('obj.uncacheable',
 		'BOOL',
 		( 'hit', ),
 		( ), """
+		Whether the object is uncacheable (aka hit-for-pass)
 		"""
 	),
 	('resp',