module Roda::RodaPlugins::Json

def self.configure(app, opts={})

Set the classes to automatically convert to JSON 
def self.configure(app, opts={})
  classes = opts[:classes] || [Array, Hash]
  app.opts[:json_result_classes] ||= []
  app.opts[:json_result_classes] += classes
  app.opts[:json_result_classes].uniq!
  app.opts[:json_result_classes].extend(RodaDeprecateMutation)
end