changelog update

Author: keflavich

CHANGES

@@ -1,9 +1,13 @@
 0.2 (unreleased)
 ----------------
 
-- Many new features.
+- New tools: ESO, GAMA, xmatch, skyview, OEC
 - Consistent with astropy 0.4 API for coordinates
 - Now uses the astropy affiliated template
+- Python 3 compatibility dramatically improved
+- Caching added and enhanced: the default cache directory is
+  ``~/.astropy/cache/astroquery/[service_name]``
+- Services with separate login pages can be accessed
 
 
 0.1 (2013-09-19)