More tests (100 % test coverage)

See #28, release log:

• 2e341d4 by @kniazkov: More tests
• d089e7a by @kniazkov: More tests
• 6bebe7e by @kniazkov: More tests
• 742b0f2 by @kniazkov: More tests
• 4161a41 by @kniazkov: More tests
• 8c7e6d9 by @kniazkov: More tests
• 9308cf1 by @kniazkov: More tests
• 570bc5a by @kniazkov: More tests
• 28ba529 by @kniazkov: More tests
• fcd1e9d by @kniazkov: More tests
• ceba346 by @kniazkov: More tests
• f69dbf1 by @kniazkov: More tests
• ea03034 by @kniazkov: More tests
• 525e1c7 by @kniazkov: More tests
• aedcca1 by @kniazkov: More tests
• b0888d2 by @kniazkov: More tests
• aee056b by @kniazkov: More tests
• ca0cefd by @kniazkov: More tests
• 49dcf15 by @kniazkov: More tests
• 3c2639e by @kniazkov: More tests
• and 137 more...

Released by Rultor 2.0-SNAPSHOT, see build log