Merge pull request #13 from shoonoise/master

Rename gns-cli -> powny-cli
gitignored *.egg files/dirs
Merge pull request #27 from nikicat/master

gitignored *.egg files/dirs
Merge pull request #23 from shoonoise/master

Fix logging isses
Add --force upload option
Closes yandex-sysmon/powny-cli#26
Make -m upload option optional
Closes yandex-sysmon/powny-cli#24