* 01_binary_search Swift 3.0.2
* 01_binary_search Swift 3.0.2
* add Chapter 2 - 01_selection_sort Swift 3.0.2 example
* 01_binary_search cosmetic note updates Swift 3.0.2
* 03_recursion Swift 3.0.2 examples
* 04_quicksort Swift 3.0.2 examples
* fix typo on quicksort example. Swift 3.0.2
* add 05_hash_tables examples on Swift 3.0.2
* add 01_breadth-first_search Swift 3.0.2 example
* 01_breadth-first_search fixing typo Swift 3.0.2
* add 01_dijkstras_algorithm on Swift 3.0.2
* add 08_greedy_algorithms Swift 3.0.2 example
* 01_longest_common_subsequence Swift 3.0.2 example
