Merge pull request #26 from EricpolUkraine/test

from ajour\test
WTR\WTRTabTest was fixed
Issue #465 fixed.
Merge pull request #467 from nazariitashak/test

WTRTabTest was fixed. Issue #465 was fixed.
Issue #464 completed. Unit tests was fixed.
Merge pull request #472 from nazariitashak/test

Issue #464 completed. Unit tests was fixed.
Merge pull request #469 from Bohdan-Tereta/test

Issue #423, #413, #463, #474 fix after  #429 implementation
Merge remote-tracking branch 'upstream/test' into test
Issue #475 fixed