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

DemoPrograms old/Demo_Keyboard.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+import sys
+if sys.version_info[0] >= 3:
+    import PySimpleGUI as sg
+else:
+    import PySimpleGUI27 as sg
+
+# Recipe for getting keys, one at a time as they are released
+# If want to use the space bar, then be sure and disable the "default focus"
+
+layout = [[sg.Text("Press a key or scroll mouse")],
+          [sg.Text("", size=(18,1), key='text')],
+          [sg.Button("OK", key='OK')]]
+
+window = sg.Window("Keyboard Test", return_keyboard_events=True, use_default_focus=False).Layout(layout)
+
+# ---===--- Loop taking in user input --- #
+while True:
+    event, values = window.Read()
+    text_elem = window.FindElement('text')
+    if event in ("OK", None):
+        print(event, "exiting")
+        break
+    if len(event) == 1:
+        text_elem.Update(value='%s - %s' % (event, ord(event)))
+    if event is not None:
+        text_elem.Update(event)
+
+