Amazon parser 4.2

Amazon parser v3.2 changes:

Code now only runs if post message is new or edited.

Amazon parser v3.1 changes:

Fixed issue with Amazon non-product URL's.

Amazon parser v3.0 changes:

Now supports Unfurl function.

Amazon parser v2.9 changes:

Fixed issue with ASIN match.

Amazon parser v2.8 changes:

Fixed issue dealing with parsing non-product URLs.

Amazon parser v2.7 changes:

Fixed issue with parsing non-product Amazon links.

Amazon parser v2.6 changes:

Fixed issue with Amazon URLs which contained /gp/ in the URL.

Amazon parser v2.5 changes:

Added support for Australian affiliate IDs.

Amazon parser v2.4 changes:

Updated regex to ensue all Amazon URL's in a message get parsed.

Amazon parser v2.3 changes:

Added support for Netherlands affiliate tags.