Added new ASCII Tables cheatsheet
Oops, wrong language ^^
Merge pull request #88 from olance/ASCII_Tables

Added new ASCII Tables cheatsheet
Fix for changes in Swift syntax

This fixes the Swift cheat sheet for changes in Array, open-ended interval, and Dictionary. Also improves whitespace and uses `let` wherever appropriate.
Merge pull request #90 from natecook1000/patch-1

Fix for changes in Swift syntax