update repo URL to the recent standard

version bump

Merge pull request #40 from luminosanshika/correction

Merge pull request #35 from gavrilikhin-d/master

Merge pull request #38 from lexter/master

renamed variable name

Fix build issue

Fix to buld error due to wrong variable name used

Fix logging null

Add forgotten return and error handling

Update documentation and make functions async

version increment

add sampling rate configuration

mention the necessity of user permission in the docs

update error message to cover one more possible problem