Net::IMAP::ResponseParseError: unexpected token NUMBER (expected SPACE)

[nevans]

/bundler/gems/net-imap-e76475223002/lib/net/imap/response_parser.rb:557 in envelope
/bundler/gems/net-imap-e76475223002/lib/net/imap/response_parser.rb:529 in envelope_data
/bundler/gems/net-imap-e76475223002/lib/net/imap/response_parser.rb:502 in msg_att
/bundler/gems/net-imap-e76475223002/lib/net/imap/response_parser.rb:482 in numeric_response
/bundler/gems/net-imap-e76475223002/lib/net/imap/response_parser.rb:416 in response_untagged
/bundler/gems/net-imap-e76475223002/lib/net/imap/response_parser.rb:387 in response

[nevans]

This is part of #191