Follow User Old
From EveryTrail API Developer Documentation
On Everytrail, You can 'follow' a user. To mark one user as following another user HTTP POST to http://www.everytrail.com/api/user/follow
with the following variables:
- followed - User ID of the user being followed
- follower - user ID of user following
Return XML:
<follow> <user>uid of the user following</user> </follow>
