Merge pull request #331 from ptiz/master

Minor fixes for code review #66
Fixing implicit body passing for PUT method #332
Adding concurentAuth method to public interface #329
Merge pull request #333 from yuru-taustahuzau/master

Fixing implicit body passing for PUT method #332
Merge pull request #334 from yuru-taustahuzau/master

Adding concurentAuth method to public interface #329