Update CHANGELOG to include progress up to now

CHANGELOG.md

@@ -1,3 +1,22 @@
+## v0.9.4 - ....-..-.. - Dynamic Records Beta
+
+* Dynamic Records (more powerful/flexible replacement for geo)
+   * Will support A, AAAA, and CNAME out the gate and include the ability to
+     weight records. It should provide a foundation for further suppport
+     if/when needed.
+   * Major refactoring and improvements to validation of the Record hierarchy,
+     things are much more consisntely implemented now and error messages should
+     be more actionable/clear. Both the base values and dynamic values use the
+     same validatio logic.
+* natsort version bump to address setup issues
+* DNSSimple TXT record handling fixes, ; it's always ;
+* Route53Provider support for sessiom tokens
+* Add ALIAS to the list of Cloudflare record types that support proxying
+* Fix for TTL bug in Dyn CCA records
+* Records updated so that 'octodns' record metadata is persisted through
+  YamlProvider
+* Added --version support to ArguementParser (thus all commands)
+
 ## v0.9.3 - 2018-10-29 - Misc. stuff sort of release
 
 * ZoneFile source added