Theme Joomla Modules

Fatal error: Cannot redeclare with module

Hi trying to implement the module several times getting this error in joomla pages
Fatal error: Cannot redeclare imagearraygallery()
I understand you have update version, where can I download it from my current version is 1.3.0 i need 1.3.1
I have purchased the component several months ago.
Or even better which files have been edited in the latest release 1.3.1 and I can edit them with the new codes, of id there is a diff. files.

Thank you.