Added information to CHANGES

--HG--
branch : distribute
extra : rebase_source : 7e92252bb4c8f96e6262e068606c8e10c11c8589

CHANGES.txt

@@ -6,6 +6,11 @@ CHANGES
 0.6.7
 -----
 
+* Issue 64: use_setuptools no longer rebuilds the distribute egg every
+  time it is run
+* use_setuptools now properly respects the requested version
+* use_setuptools will no longer try to import a distribute egg for the
+  wrong Python version
 
 -----
 0.6.6