Avoid warnings for assigned but unused variable

lib/liquid/standardfilters.rb

@@ -180,7 +180,7 @@ module Liquid
       else
         input
       end
-    rescue => e
+    rescue
       input
     end
 

lib/liquid/utils.rb

@@ -3,7 +3,7 @@ module Liquid
     def self.slice_collection_using_each(collection, from, to)
       segments = []
       index = 0
-      yielded = 0
+      #yielded = 0  # not used
 
       # Maintains Ruby 1.8.7 String#each behaviour on 1.9
       return [collection] if non_blank_string?(collection)