lib/facebooker/session.rb in facebooker-1.0.58 vs lib/facebooker/session.rb in facebooker-1.0.59

@@ -707,9 +707,10 @@
       def uid?
         !! @uid
       end
 
       def signature_for(params)
+        params.delete_if { |k,v| v.nil? }
         raw_string = params.inject([]) do |collection, pair|
           collection << pair.map { |x|
             Array === x ? Facebooker.json_encode(x) : x
           }.join("=")
           collection