v4.0.1. Bumped buildmail to fix #78

Bumped buildmail to 4.0.0 and libmime to 3.0.0 that changes how

encoded-words are generated

v3.11.0

Added options disableUrlAccess and disableFileAccess

v3.10.0. Set content-disposition to inline for attachments with conte…

…nt-id set.

Bumped deps

Suppress attachment filenames by using false

v3.7.0. Do not enforce content-transfer-encoding and filename values …

…for message/rfc822 attachments

Bumped deps. v3.6.3