Fixed behaviour in case the tail start with a slash

If the variable tail contains a value like "/root" it would be impossible to access the WebService. This fixes the behaviour, making it work in both cases ("root" or "/root")
Added support for Django up to 1.6, issue #33.
Merge pull request #32 from sbisinger/develop

Fixed behaviour in case the tail starts with a slash
updated docs
updated docs
Merge branch 'develop'