Prevent null value from 'Origin' header

Make chrome similar to firefox as it won't send 'Origin' with 'null' value.

This plugin was developed due to a website not consistently handling a request's 'Origin' header. Ex.: If the header 'Origin' is not present, the request would be successful. If the header 'Origin' is present with a null value, the request is failing. Chrome and Firefox don't handle the 'Origin' header in the same way when dealing with data urls, which caused Chrome to not work and Firefox to work. This plugin fix it, so I can keep using Chrome. ‘If You Don’t Ask, You Don’t Get’ Feel free to tip :) Paypal link: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=GS6FR383Y4ERQ Bitcoin address: 14ua7TKC5tHM849ojxKCZTH168eQndbXAM Version 1.1 (2016-10-02) - Added exclusions on google.com and gstatic.com sites, as that could prevent editing spreadsheet documents.