Notes from chapter 5
First batch of exercises from chapter 5
Update notes for list comprehensions
Add answer for ex 7
Add answer for ex06
Add answer for exercise 8
Add exercise 5 answer
Use inner list compreensions with variable visibility
Use init to drop the last factor
Add a pointfree version of perfects
Use pointfree notation
Add a scalarproduct implementation without list comprehensions
Merge pull request #5 from fabioyamate/ch05

Chapter 5: List comprehensions