Allow requirement of single files

Author: rafaelgonzalez

lib/onelogin/ruby-saml/authrequest.rb

@@ -1,6 +1,8 @@
 require "uuid"
+require "rexml/document"
 
 require "onelogin/ruby-saml/logging"
+require "onelogin/ruby-saml/saml_message"
 
 module OneLogin
   module RubySaml

lib/onelogin/ruby-saml/logoutrequest.rb

@@ -1,6 +1,7 @@
 require "uuid"
 
 require "onelogin/ruby-saml/logging"
+require "onelogin/ruby-saml/saml_message"
 
 module OneLogin
   module RubySaml

lib/onelogin/ruby-saml/logoutresponse.rb

@@ -1,4 +1,6 @@
 require "xml_security"
+require "onelogin/ruby-saml/saml_message"
+
 require "time"
 
 module OneLogin

lib/onelogin/ruby-saml/settings.rb

@@ -1,3 +1,5 @@
+require "xml_security"
+
 module OneLogin
   module RubySaml
     class Settings

lib/onelogin/ruby-saml/slo_logoutrequest.rb

@@ -2,6 +2,8 @@
 require 'time'
 require 'nokogiri'
 
+require "onelogin/ruby-saml/saml_message"
+
 # Only supports SAML 2.0
 module OneLogin
   module RubySaml

lib/onelogin/ruby-saml/slo_logoutresponse.rb

@@ -1,6 +1,7 @@
 require "uuid"
 
 require "onelogin/ruby-saml/logging"
+require "onelogin/ruby-saml/saml_message"
 
 module OneLogin
   module RubySaml