Added sorted.pl, Assignment 3, part 1.

Checks if a given list is sorted in ascending order. All test cases implemented
and tests returned correct results.
Added reverse.pl, Assignment 3, part 2.

Returns the list provided in reverse order. All test cases implemented and
tests returned correct results.
Added sorted.pl, Assignment 3, part 3.

Returns a clean list free of duplicates from a given list. All test cases
implemented and tests returned correct results.
Made code more readable.
Made code more readable.
Added comments.
Fixed capitalization...

Sorry, I'm a perfectionist... :/
Added merge.pl, Assignment 3, part 4.

Returns a merged list, sorted in ascending order of two lists of integers. All
test cases implemented and tests returned correct results.
Stupid commenting errors... -_-
Stupid spacing issue.
Final version of Assignment 3.

All code working and tested. Time to turn this bad boy in!