Renamed demo files, new demo of tabbed forms

Changed filenames to remove spaces so will be easier to work with on Linux.

Demo_HowDoI.py

@@ -0,0 +1,55 @@
+import PySimpleGUI as SG
+import subprocess
+import howdoi
+
+# Test this command in a dos window if you are having trouble.
+HOW_DO_I_COMMAND =  'python -m howdoi.howdoi'
+
+# if you want an icon on your taskbar for this gui, then change this line of code to point to the ICO file
+DEFAULT_ICON = 'E:\\TheRealMyDocs\\Icons\\QuestionMark.ico'
+
+def HowDoI():
+    '''
+    Make and show a window (PySimpleGUI form) that takes user input and sends to the HowDoI web oracle
+    Excellent example of 2 GUI concepts
+        1. Output Element that will show text in a scrolled window
+        2. Non-Window-Closing Buttons - These buttons will cause the form to return with the form's values, but doesn't close the form
+    :return: never returns
+    '''
+    # -------  Make a new FlexForm  ------- #
+    SG.SetOptions(border_width=1)
+    form = SG.FlexForm('How Do I ??', auto_size_text=True, default_element_size=(30, 2), icon=DEFAULT_ICON)
+    form.AddRow(SG.Text('Ask and your answer will appear here....', size=(40, 1)))
+    form.AddRow(SG.Output(size=(90, 20)))
+    form.AddRow(SG.Multiline(size=(85, 5), enter_submits=True),
+                SG.ReadFormButton('SEND', button_color=(SG.YELLOWS[0], SG.BLUES[0])),
+                SG.SimpleButton('EXIT', button_color=(SG.YELLOWS[0], SG.GREENS[0])))
+
+    # ---===--- Loop taking in user input and using it to query HowDoI --- #
+    while True:
+        (button, value) = form.Read()
+        if button == 'SEND':
+            QueryHowDoI(value[0][:-1])      # send string without carriage return on end
+        else:
+            break           # exit button clicked
+
+    exit(69)
+
+def QueryHowDoI(Query):
+    '''
+    Kicks off a subprocess to send the 'Query' to HowDoI
+    Prints the result, which in this program will route to a gooeyGUI window
+    :param Query: text english question to ask the HowDoI web engine
+    :return: nothing
+    '''
+    howdoi_command = HOW_DO_I_COMMAND
+    t = subprocess.Popen(howdoi_command + ' '+ Query, stdout=subprocess.PIPE)
+    (output, err) = t.communicate()
+    print('You asked: '+ Query)
+    print('_______________________________________')
+    print(output.decode("utf-8") )
+    exit_code = t.wait()
+
+if __name__ == '__main__':
+    HowDoI()
+