Avoid hash with default values due to inconsistent marshalling

lib/liquid/tags/cycle.rb

@@ -30,11 +30,11 @@ module Liquid
     end
 
     def render(context)
-      context.registers[:cycle] ||= Hash.new(0)
+      context.registers[:cycle] ||= Hash.new
 
       context.stack do
         key = context.evaluate(@name)
-        iteration = context.registers[:cycle][key]
+        iteration = context.registers[:cycle][key].to_i
         result = context.evaluate(@variables[iteration])
         iteration += 1
         iteration  = 0 if iteration >= @variables.size

lib/liquid/tags/for.rb

@@ -120,7 +120,7 @@ module Liquid
     private
 
     def collection_segment(context)
-      offsets = context.registers[:for] ||= Hash.new(0)
+      offsets = context.registers[:for] ||= Hash.new
 
       from = if @from == :continue
         offsets[@name].to_i