* 2022-08-19 2.0.0.1
  dreckstippfehler
* 2022-08-19 2.0
  support outlook365 with OAuth 2.0 client credentials flow
* 2021-05-04 1.9
  check imap capabilities first, don't try to sort by default
* 2021-01-31 1.8
  reduce debugging output, better handling of utf8 wide characters
* 2017-05-11 1.7.2.1
  update GLPlugin
* 2017-04-20 1.7.2
  filter attachments by file extension (Thanks Philip)
* 2016-11-28 1.7.1
  fix utf-encoded subjects
* 2016-08-10 1.7
  delegate some selects to the imap-server
  add a greenmail simulator for tests
* 2016-08-02 1.6.0.2
  update GLPlugin & bugfix in list-mails
* 2016-06-03 1.6.0.1
  update GLPlugin
* 2016-05-14 1.6
  add selectors "seen" and "is_bigger"
* 2016-02-29 1.5
  update version, changelog, glplugin
* 2016-02-09 1.4
  add glplugin submodule
* 2015-07-13 1.3
  new directory layout, standalone
* 2015-06-02 1.2
  add morph-message
  add date:manip strings for older_than newer_than
* 2015-06-01 1.1
  start with --disable-standalone
* 2015-05-30 1.0
  init
