Update CHANGELOG file

CHANGELOG

@@ -4,11 +4,22 @@ http://dev.louiz.org/project/poezio/roadmap
 
 
 * Poezio 0.7.2 - dev
+- Huge speed improvements in both memory usage, text
+  refresh speed and interface resize.
 - Chatstate notifications (in private AND in MUCs)
 - /message command to talk to any JID
 - /version command to get the software version of an entity
 - /bind command, and keys can be bound in the config file
 - Multiline edition
+- xhtml-im messages can be sent and received
+- 256 colors support
+- themes are easier to create and load. They can use
+  up to 256 colors
+- completion now works not only at the end of the input
+- /affiliation and /role commands to administrate MUCs
+- /export command to export your roster in a file
+- data forms support (only for room configuration at the moment)
+- a *lot* of bugfixes
 
 
 * Poezio 0.7.1 - 2 Feb 2010