title: Play! framework - database issue with Evolutions
body: <p>I'm using Play! framework 2.0 and I'm stuck on an annoying issue involving the database.</p>
  
  <p>Suppose I have a <code>User</code> (extends <code>Model</code>) class which has few attributes (<code>first_name</code>, <code>last_name</code>, <code>email</code>, <code>password</code> etc).  </p>
  
  <p>At some point I want to add a new attribute, lets say <code>last_ip</code> (it doesn't really matter what it is). So, I add the attribute to the <code>User</code> class, compile and run.  </p>
  
  <p>The thing is: I get this red alert about database changes (obviously) which asks me to press <strong>"APPLY CHANGES"</strong> (if I remember correctly). That's fine BUT! <strong>all the database records are erased</strong>!  </p>
  
  <p>In conclusion: I want to a new field but I don't want to lose all the records I already added to the database. Is this possible?  </p>