Added readme new pro features.

Author: selul

readme.txt

@@ -21,6 +21,8 @@ The plugin uses Google Visualization API to add responsive & animated charts/dia
 > * Easy edit the data using a live editor
 > * 3 more chart types ( Combo, Timeline and Table chart )
 > * Auto synchronize with your online file.
+> * Create private charts.
+> * Allow users to edit charts.
 > * Create charts from your wordpress posts, pages,products or any other post_type.
 > * Priority email support from the developer of the plugin
 > * Support and updates for 1 year