Version 3.1.2

This update is mostly based around speeding things up. This because a website can never be quick enough.

Fixes for Version 3.1.2
– Loading of a page with the store on it will be much quicker now. The plugin will no longer get the image sizes. This means the plugin is not xhtml valid according to w3 validator.
– Improved importing of items. This will mostly only benefit people who import loads of feeds.
– Removed the error about not writing because it gave header is already sent errors