Merge pull request #43 from nromanen/master

m->e
Merge pull request #45 from nromanen/edd

Merge pull request #43 from nromanen/master
changes to gui
before merge
Merge pull request #46 from nromanen/edd

Edd
Merge pull request #47 from nromanen/dmitry

Dmitry
Merge pull request #49 from nromanen/master

m->d