v8.2.0 (02 April 2020)

This version adds additional methods and functionality that can be used
by Kiwi TCMS plugins written in Python.

• Modify plugin_helpers.Backend.test_case_get_or_create() to return
  tuple (dict, bool). WARNING: this will break existing plugins
• plugin_helpers.Backend will use TCMS_PLAN_ID environment variable
  if specified. This allows the user to select an existing TestPlan to save
  new results into. Fixes
  Issue #5 <https://github.com/kiwitcms/tcms-api/issues/5>_
• Add plugin_helpers.Backend.finish_test_run() which may be
  called by plugins to indicate that a TestRun has been finished
• Add plugin_helpers.Backend.default_tester_id() and update
  TestExecution.tested_by when changing status
• Use default_tester_id() when creating a new TestRun
• When creating new test run always set TR.manager := TP.author
  and make sure that TestPlan.create() will also specify author