Merge pull request #1 from EricpolUkraine/development

Development
Issue #218 and #219 were fixed
Merge pull request #221 from nazariitashak/development

Issue #218 and #219 were fixed
Merge pull request #222 from Bohdan-Tereta/development

Issue # 145 partially implemented (without export to Excel)
Merge pull request #223 from Bohdan-Tereta/development

Issue #145 completed, refactoring involved issue #199
Merge pull request #224 from EricpolUkraine/development

Pre-release 1.13.1 merge from Development to Test
Issue #145 related bugs fixed