v1.7.1

• Lingo::Attendee::MultiWorder actually finds the longest matching multiword
  group.
• Multiword entries in Lingo::Database::Source::SingleWord dictionaries now
  respect def-wc; new parameter def-mul-wc to control
  the word class for multiword entries (defaults to def-wc). Use
  def-mul-wc: 'm' in your .lang to restore the previous
  behaviour.
• New Lingo::Attendee::Formatter for configurable output formatting as an
  alternative to Lingo::Attendee::TextWriter.
• New basic input filters to enable indexing of HTML/XML (and PDF) files.
• Updated the system dictionary.
• Switched license to Affero GPL.