Merge pull request #63 from ostepu/version_0.1

Version 0.1 I
Merge pull request #66 from ostepu/version_0.1

Version 0.1 II
Merge pull request #70 from ostepu/version_0.1

Version 0.1 III
Merge pull request #71 from ostepu/version_0.1

Version 0.1 IV
Merge pull request #86 from ostepu/version_0.1

Version 0.1 V
Merge branch 'master' into version_0.1