Remember active tabs in the admin panel for all forms.

No core files are changed.

Install Instructions
- Login to your OpenCart admin panel
- Go to Extensions > Installer and upload zip package suited for your OpenCart version, or manually upload the content of the upload folder in your OpenCart root.
- Go to Extensions -> Extensions -> Modules -> Remember Active Tabs In Admin -> Install -> Configure it

This extension uses the OpenCart event system. So you don't need vQmod/ocmod or no need to refresh modification.