Major update of all demo programs to use new PEP8 bindings, etc

DemoPrograms old/Demo_Stdout.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+import sys
+if sys.version_info[0] >= 3:
+    import PySimpleGUI as sg
+else:
+    import PySimpleGUI27 as sg
+
+"""
+    Demo program that reroutes stdout and stderr.
+    Type something in the input box and click Print
+    Whatever you typed is "printed" using a standard print statement
+    Use the Output Element in your window layout to reroute stdout
+    You will see the output of the print in the Output Element in the center of the window
+    
+"""
+
+
+layout = [
+            [sg.Text('Type something in input field and click print')],
+            [sg.In()],
+            [sg.Output()],
+            [sg.Button('Print')]
+         ]
+
+window = sg.Window('Reroute stdout').Layout(layout)
+
+while True:     # Event Loop
+    event, values = window.Read()
+    if event is None:
+        break
+    print('You typed: ', values[0])