Change recipient to an array of recipients.

	modified:   listfix_filter.py

Check full recipient list for valid email addresses.
Also add all args to logging.

	modified:   listfix_filter.py

Search all To: recipients for a known mailing list before filtering.

	modified:   listfix_filter.py

Check sender instead of From. Its better this way.

	modified:   listfix_filter.py

Remove sender from reply-to header.

	modified:   listfix_filter.py

Add logging

	modified:   listfix_filter.py

General code cleanup

	modified:   listfix_filter.py

Renamed the filter script

	renamed:    list_filter.py -> listfix_filter.py

Adding current state of email list filter

	new file:   list_filter.py

Updated readme

	modified:   README.md

Initial commit