Add, {current_url_encoded} and {uri_string_encoded} tags to the extension which is useful for things like social urls that need url encoded links. Also added extra tags to the lang file.
Update readme.md to reflect changes.
Merge pull request #27 from johnwbaxter/master

Add a couple of extra variables to the current_url group
Merge branch 'refs/heads/master' into develop
add member id conditionals