Updated error text from check_prerequisites to reflect Xcode 8

Author: shazron

package.json

@@ -1,6 +1,6 @@
 {
   "name": "simctl",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "library for Xcode 8+ simctl utility on macOS",
   "repository": {
     "type": "git",

simctl.js

@@ -46,9 +46,9 @@ exports = module.exports = {
 
         if (obj.code !== 0) {
             obj.output  = 'simctl was not found.\n';
-            obj.output += 'Check that you have Xcode 7.x installed:\n';
+            obj.output += 'Check that you have Xcode 8.x installed:\n';
             obj.output += '\txcodebuild --version';
-            obj.output += 'Check that you have Xcode 7.x selected:\n';
+            obj.output += 'Check that you have Xcode 8.x selected:\n';
             obj.output += '\txcode-select --print-path';
         }