Log Message:
link-grammar: update to 5.8.0

Version 5.8.0 (28 February 2020)
 * Java bindings: Remove the obsolete senses API.
 * swig-4.0 compatibility bug fix.
 * English dict: Fixes to support questions ending in WH-words.
 * Copy (merge) Richard van der Dys `node.js` bindings.
 * English dict: Provide head and tail markers for all conjunctions.
 * Remove the Python 2 bindings.
 * Add dialect support to the library.
 * English dict: support for archaic/poetic abbreviations
 * English dict: introduce OH link for vocatives/invocations.
 * English dict: improved parsing of imperatives.
 * Add !!word/ link-parser command for displaying extended word dict info.

Version 5.7.0 (13 Sept 2019)
 * Minor efficiency improvements to the SQL-backed dictionary.
 * Incompatible change to the Exp traversal API.
 * Remove the obsolete and unsupported "corpus statistics" code.
 * Major performance improvement (3x-4x) for long sentences. #996
 * Fix broken build on Windows.
 * Convert Windows build to Visual Studio 2019.
 * Fix a bug that causes random results on 32-bit systems. #1000
 * Fix a bug that could cause missing linkages on some systems. #1007