Merge pull request #62 from wick-ed/master

moved documentation to docu repo
Add Forwarded header
Merge pull request #63 from wagnert/master

Add Forwarded header
fixes #64, added tests for that, minor refactoring
Merge pull request #65 from zelgerj/master

fixes #64, added tests for that, minor refactoring
added precuation urldecode (magento issue)