Merge pull request #11 from nromanen/master

Merge 19.12
Merge pull request #13 from nromanen/yurembo

Yurembo
Merge pull request #14 from nromanen/yurembo

Y
Merge pull request #15 from nromanen/krivorotenko

Merge pull request #11 from nromanen/master
Merge pull request #17 from nromanen/master

Merge