Merge pull request #620 from johnnyshields/patch-3

Remove redundant array wrapper

Author: pitbulk

lib/onelogin/ruby-saml/idp_metadata_parser.rb

@@ -442,7 +442,7 @@ def first_ranked_text(nodes, priority = nil)
           priority = Array(priority)
           if priority.any?
             values = nodes.map(&:text)
-            Array(priority).detect { |candidate| values.include?(candidate) }
+            priority.detect { |candidate| values.include?(candidate) }
           else
             nodes.first.text
           end