Fix setting encoding for multiple nested message parts
Changed fileinput to io.open when opening files directly. This was causing differences in processing the file
Automatically add mailto: to email addresses. Simplified web browser opening. Allow @ in URLs.
Add ftp(s) to detected links
Small change to email address parsing
Set each msg part encoding to value detected by get_content_charset if available.
Updated README. Version Bump to 0.8.0