rewindable.rb in protocol-http-0.16.0

- old
+ new

@@ -33,9 +33,13 @@
 					
 					@chunks = []
 					@index = 0
 				end
 				
+				def empty?
+					@index >= @chunks.size
+				end
+				
 				# A rewindable body wraps some other body. Convert it to a buffered body 
 				def buffered
 					Buffered.new(@chunks)
 				end
 				