Unpacked OpenID gem. #699

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2437 e93f8b46-1217-0410-a6f0-8f06a7374b81

vendor/gems/ruby-openid-2.1.4/lib/openid/extras.rb

@@ -0,0 +1,11 @@
+class String
+  def starts_with?(other)
+    head = self[0, other.length]
+    head == other
+  end
+
+  def ends_with?(other)
+    tail = self[-1 * other.length, other.length]
+    tail == other
+  end
+end