Fix extenstion of homework 7 file - .hs not .scm
Merge pull request #4 from tborisova/fix-extension-of-homework-7-file

Fix extenstion of homework 7 file - .hs not .scm
Adding materials and code samples for Haskell
Retabulate isPrime and area functions
Adding first Haskell homework
REAME.md -> README.md
Add Sublime Haskell settings
* Added problemset for the 9th lab
* Fiddling with some of the problems
* Added solutions for the 9th lab
* Added problems for the 8th homework
* Fixed mistake in the 8th homework
Update README.md
formatting
fixed an issue
Update README.md
Adding code samples from lab9
Adding some explanations about TypeClasses
Adding few more examples for lists
Add sum' example for (x:xs) and [] pattern