Update to reflect the syntaxic coloration.
syntaxic coloring + fix on parenthesis
Fix formatting, syntaxic coloring
Fix links
Problems exercises chapter 7.
first exercise.
ch7 - published as draft
Some minor modifications.
Preparing the second exercise.
all
any function
all + examples
Update the draft
Split the chapter7.org file in two
Renamed the file
Update the file regarding the chapter 7 's exercises
takeWhile
dropWhile
Update the date for the draft
map using foldr