File list (Check if you may need any files):
UdemyiOS8WithSwift-master
.........................\CatYears
.........................\........\CatYears.xcodeproj
.........................\........\..................\project.pbxproj
.........................\........\..................\project.xcworkspace
.........................\........\..................\...................\contents.xcworkspacedata
.........................\........\..................\...................\xcshareddata
.........................\........\..................\...................\............\CatYears.xccheckout
.........................\........\..................\...................\xcuserdata
.........................\........\..................\...................\..........\evandorn.xcuserdatad
.........................\........\..................\...................\..........\....................\UserInterfaceState.xcuserstate
.........................\........\..................\xcuserdata
.........................\........\..................\..........\evandorn.xcuserdatad
.........................\........\..................\..........\....................\xcdebugger
.........................\........\..................\..........\....................\..........\Breakpoints_v2.xcbkptlist
.........................\........\..................\..........\....................\xcschemes
.........................\........\..................\..........\....................\.........\CatYears.xcscheme
.........................\........\..................\..........\....................\.........\xcschememanagement.plist
.........................\........\CatYears
.........................\........\........\AppDelegate.swift
.........................\........\........\Base.lproj
.........................\........\........\..........\LaunchScreen.xib
.........................\........\........\..........\Main.storyboard
.........................\........\........\Images.xcassets
.........................\........\........\...............\AppIcon.appiconset
.........................\........\........\...............\..................\Contents.json
.........................\........\........\...............\cat.imageset
.........................\........\........\...............\............\Contents.json
.........................\........\........\...............\............\cat.png
.........................\........\........\Info.plist
.........................\........\........\ViewController.swift
.........................\........\CatYearsTests
.........................\........\.............\CatYearsTests.swift
.........................\........\.............\Info.plist
.........................\CoreData
.........................\........\7.1
.........................\........\...\Core Data Demo.xcodeproj
.........................\........\...\........................\project.pbxproj
.........................\........\...\........................\project.xcworkspace
.........................\........\...\........................\...................\contents.xcworkspacedata
.........................\........\...\........................\...................\xcshareddata
.........................\........\...\........................\...................\............\Core Data Demo.xccheckout
.........................\........\...\........................\...................\xcuserdata
.........................\........\...\........................\...................\..........\andrewdunn.xcuserdatad
.........................\........\...\........................\...................\..........\......................\UserInterfaceState.xcuserstate
.........................\........\...\........................\...................\..........\evandorn.xcuserdatad
.........................\........\...\........................\...................\..........\....................\UserInterfaceState.xcuserstate
.........................\........\...\........................\...................\..........\robpercival.xcuserdatad
.........................\........\...\.....................