Amazon parser 4.1

Amazon parser v4.1 changes:

Now supports amzn.to URL shortener.

Amazon parser v4.0 changes:

Updated regex.

Amazon parser v3.9 changes:

Updated regex to fix issue with TLD identification.

Amazon parser v3.8 changes:

Added .com.tr to options page.

Amazon parser v3.7 changes:

Improved detection of Amazon links.

Amazon parser v3.6 changes:

Fixed regex to properly get Amazon short links.

Amazon parser v3.5 changes:

Added support for Amazon short links.

Amazon parser v3.4 changes:

Fixed parsing issue.

Amazon parser v3.3 changes:

Fixed parsing issue.

Amazon parser v3.2 changes:

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