CHANGELOG.md in plezi-0.8.7 vs CHANGELOG.md in plezi-0.9.0

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 #Change Log
 
 ***
 
+Change log v.0.9.0
+
+**changes** (might break code):
+
+- The error code file handling logic has been changed.
+
+   Plezi will no longer look the 404 and 505 files in the _public_ `:root` location. Instead the files should be placed at the **templates** folder if defined or at the app's root folder (_if templates folder isn't set_).
+
+   Also, error code files should now correctly specify that they are html templates - for example, the older '404.erb' should be renamed as '404.html.erb'
+
+   To update your application **please rename the error code files and move them to the app template's folder** (`appname/app/views`).
+
+- Updated the template's welcome page and database configuration support. Existing applications shouldn't be effected.
+
+
+**feature**: auto-pinging can now be customized for different hosting-server timeouts and it can also be disabled using the `Plezi.ping_interval` setter and getter.
+
+**feature**: The Plezi framework can now impose limits on Websocket message sizes (even messages split across a number of frames) by using the `Plezi.ws_message_size_limit=` method.
+
+**fix**: Outgoing Websocket messages would break for messages over 32KB (and sometimes over 16KB). This was caused by an issue in the frame splitting algorithm which is now resolved.
+
+***
+
 Change log v.0.8.7
 
 **minor performance**: streamlined the ping/pong Websocket process.
 
 **fix**: fixed an issue with the auto-utilization of the I18n gem, where one request could set the locale for all subsequent requests that are processed by the same thread.
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