modules inheriting constants from classes that include them....

module

    def make_get_request(restriction)
      @hydra ||= ActiveCrowd::ACRest.new
 [line 68]     request = Typhoeus::Request.new("#{CROWD_URL}/#{SearchResource}#{restriction}", JSONGetOptions)
      @hydra.queue(request)
      @hydra.run

      resp_hash = sanitize_crowd_results(JSON.parse(request.response.body))
      resp_hash['users'].to_json
    end

pry session

[6] pry(main)> f
=> #<User:0x007ff2a61075c0>
[7] pry(main)> User.ancestors
=> [User,
 ActiveCrowd::User,
 Object,
 PP::ObjectMixin,
 RSpec::Core::SharedExampleGroup,
 JSON::Ext::Generator::GeneratorMethods::Object,
 Kernel,
 BasicObject]
[8] pry(main)> f.all
NameError: uninitialized constant CROWD_URL
from /ruby/active_crowd/lib/active_crowd/user.rb:68:in `make_get_request'

test script, including class User

require 'active_crowd'

class User
  include ActiveCrowd::User

###############################################################################
# Required Constants                                                          #
###############################################################################
  #These can be loaded from a YML thusly:
  # ConfigHash = YAML.load(File.read(Path/To/Yml/File))[ENV['RAILS_ENV']]
  CROWD_URL = "http://10.4.0.151:8095/crowd"
  CROWD_USER = "foo"
  CROWD_PASS = "fighters"

end

f = User.new
binding.pry
ap  f.all