now using DateTime instead of Date::Manip

docs/changelog/6.x.x.txt

@@ -1,7 +1,7 @@
 6.8.0
- - Switched Date::Manip to DateTime and  Time::HiRes to DateTime::HiRes for
-   better performance and more functionality. See gotchas for details.
-
+ - Switched Date::Manip to DateTime for better performance and more 
+   functionality. See gotchas for details. In our benchmarks DateTime runs 
+   about 13 times faster than Date::Manip.
 
 
 6.7.7

docs/gotcha.txt

@@ -11,11 +11,17 @@ save you many hours of grief.
 --------------------------------------------------------------------
  * Before upgrading you must install the following new Perl modules:
 	DateTime
-	DateTime::HiRes
+	DateTime::Format::Strptime
 	DateTime::Cron::Simple
  	POE
 	POE::Component::IKC::Server
 
+ * The API has changed. Check docs/migration.txt for details.
+
+ * Due to the performance increase achieved by switching to DateTime we
+	no longer need date caching so the enableDateCache directive can
+	be removed from your config file.
+
 
 
 6.7.0

docs/migration.txt

@@ -481,3 +481,11 @@ by any WebGUI core package since 6.3 and wasn't really used much prior to that.
 If you were using it, just copy it's subs into your app.
 
 
+5.22 DateTime API Changed Slightly
+
+In 6.8.0, as a result of migrating the DateTime API away from Date::Manip and 
+to DateTime we've eliminated the need for several utility functions, and
+therefore removed them. This shouldn't affect almost anybody, but we're
+mentioning it just in case you're using WebGUI::DateTime in an odd mannner.
+They are: epochToDate, dateToEpoch, epochToArray, arrayToEpoch
+