Automated merge with ssh://firstname.lastname@example.org//srv/www/projects.spamt…
fixed GPL licence text. We want to stay with version 2.
fix decode_header problem
now decode header value, not header key
decode header values
ignore case of mail header name
merge broken changes from alex
mail headers are case insensitive. Nevertheless upper case latters se…
…em to be normal.
esc function not generally needed as '.' is a special character only for the Curier IMAP server. So this must go into the user's mailfilter file.
add license and fix some pep8 issues