# File lib/fog/softlayer.rb, line 75
    def self.stringify_keys(obj)
      return obj.inject({}){|memo,(k,v)| memo[k.to_s] =  stringify_keys(v); memo} if obj.is_a? Hash
      return obj.inject([]){|memo,v    | memo         << stringify_keys(v); memo} if obj.is_a? Array
      obj
    end