Merge pull request #13 from paazmaya/master

Update
Link update
Merge pull request #159 from jukra/master

Link update
Merge pull request #158 from mpiivonen/master

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

Merge