alexander.shaykhrazeev@gmail.com <alexander.shaykhrazeev@gmail.com> [Fri, 26 Aug 2016 10:20:14 +0500] rev 1526
Added .idea dir to ignore.
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Fri, 09 Sep 2016 17:57:36 +0300] rev 1525
cleanup logging example
add comments, rename variables, some rework for algorithm