Icss serialization bug

gistfile1.rb

require 'yaml'
require 'json'
require 'icss'
require 'icss/brevity'

yaml_file = File.read("config.yaml")

#load a YAML ICSS
yaml_icss = Icss::Protocol.receive YAML.load(yaml_file)

#convert the icss to json
json_file = JSON.generate(yaml_icss)

#load the JSON ICSS
json_icss = Icss::Protocol.receive JSON.parse(json_file)

#These SHOULD be identical
p yaml_icss.messages['word_stats']
p json_icss.messages['word_stats']