explicitly require "onelogin/ruby-saml/logging"  so that the developer may do:
require 'onelogin/ruby-saml/authrequest'

instead of
require 'onelogin/ruby-saml'

or
require 'onelogin/ruby-saml/authrequest'
require 'onelogin/ruby-saml/logging'
Fixed issue with Response#attributes and nil keys
Fixed soft validation of XMLSecurity document when X509Certificate is missing
Fixed hard validation of SAML Success response
Fixed misspelling
Error reporting for diagnostics
more diagnostics
version bump
add tests for @errors object
Fixed issues with hard and soft validation
Fixed hard and soft validation
Merge pull request #139 from phene/better-validation

Fixes handling of some soft and hard validation failures.
Already in gemspec
ruby < 1.9 requires nokogiri in test env
Merge pull request #150 from keaplogik/fix-nokogiri-gemspec

Nokogiri already in gemspec
add test and remove version bump
Merge pull request #98 from onelogin/error_messages

Error reporting for diagnostics
Merge pull request #134 from nkeyes/master

explicitly require "onelogin/ruby-saml/logging"
Improve readme.md
Fix incorrect gem declaration statement