v2.0

2015/05/03
Provide compatibility for OC2.x , no longer supports OC1.x (jump to v2.0)
Update piwik proxy & piwiktracker file to latest

v1.1

2014/06/25
Fix error messages for undefined variables; checks GET values & other elements are set.
Fixed 'mod disabled' footer comment so not included in visible HTML (thanks github / glennw!).
Fixed minor error in Readme Install HTTP/HTTPS instructions.

v1.0

2014/02/17
First version to be listed on opencart.com extension store (jump to v1.0).
Order tracking now called from success page (fixes issue with order attributed to payment processor).
Global enable/disable setting on admin page now implemented.
New search tracking feature!
Added checks; avoids some common admin settings errors and improves uninstall.
Other minor changes (see github for full commit list).

v0.4

2013/09/16
Fixed bug #1 'HTTP_REFERRER' undefined index error.
Added option to use Piwik Proxy for issue #3 to obfuscate the URL in the javascript code.
Modified VQmod XML file to fix issue #2 so will now play nicely with custom themes.