Added tasks 8-2, 10 - Code cover 1 & 2, Tasks 11, 1 & 2
Merge pull request #13 from paazmaya/master

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Merge pull request #159 from jukra/master

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Merge pull request #158 from mpiivonen/master

Added tasks 8-2, 10 - Code cover 1 & 2, Tasks 11, 1 & 2