[ANN] gmail_contacts 2.0 Released

gmail_contacts version 2.0 has been released!

* <http://seattlerb.rubyforge.org/gmail_contacts>

Simple Gmail contacts extraction using GData.

gmail_contacts development was sponsored by AT&T Interactive.

Changes:

### 2.0

* Major enhancements
  * No longer uses gdata gem, AuthSub is implemented in gmail_contacts now.
  * Ruby 1.9 ready!
  * Now uses net-http-persistent