Merge pull request #521 from EricpolUkraine/master

Release merge v1.15.4.0
Merge pull request #522 from Bohdan-Tereta/development

Fixed three unit tests dependent on current date
Issue #517 completed.
Merge pull request #524 from nazariitashak/development

Issue #517 completed.
Merge remote-tracking branch 'upstream/development' into development
Fixed issue #487