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@uutsav
The problem with Barriosquare is that it works via oauthV1, while FourCircle works with oauthV2.
Oauth v1 will be unsuported on August 1st, 2011. So barriosquare won't work anymore.
http://groups.google.com/group/fours...-documentation

Barriosquare is currently unmaintained, and I don't like programming in python. And I think it is a lot of workto migrate from oauth1 to oauth2.