minor updates
authorSvjatoslav Agejenko <svjatoslav@svjatoslav.eu>
Fri, 20 Mar 2015 22:02:42 +0000 (00:02 +0200)
committerSvjatoslav Agejenko <svjatoslav@svjatoslav.eu>
Fri, 20 Mar 2015 22:02:42 +0000 (00:02 +0200)
+ slight code refactoring
+ documentation update


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