NEW in 2.2.1 - 2019-03-06
=========================

  * Fix unichar unescaping
  * Correctly Handle BIND in first place of a triples block
  * Fix possible deadlock on WAL checkpoint
  * Fix some double values not being deleted
  * Fixed CHANGES_DONE_HINT handling in TrackerMonitor
  * Ported data generator utilities to python3
  * Ported functional tests to python3, reformatted to PEP-8
  * Correctly apply ignored-directories-with-content filter on monitor updates
  * Build and test fixes

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