Bump VERSION and update CHANGELOG.

Guess what time is it? Yes it is release time!

CHANGELOG.md

@@ -1,4 +1,4 @@
-v0.7.0 (2011-12-xx)
+v0.7.0 (2011-12-11)
 ===============================================================================
 
 - Predis now adheres to the PSR-0 standard which means that there is no more a

VERSION

@@ -1 +1 @@
-0.7.0-dev
+0.7.0

lib/Predis/Client.php

@@ -29,7 +29,7 @@ use Predis\Transaction\MultiExecContext;
  */
 class Client
 {
-    const VERSION = '0.7.0-dev';
+    const VERSION = '0.7.0';
 
     private $options;
     private $profile;