0.23.1 version update, README change on editing 16-color PC ansi

Author: cmang

README.md

@@ -5,7 +5,7 @@ Durdraw
                 _|  |__ __ _____ __|  |_____ _____ __ __ __
                / _  |  |  |   __|  _  |   __|  _  |  |  |  |\
               /_____|_____|__|__|_____|__|___\____|________| | 
-              \_____________________________________________\|  v 0.23.0
+              \_____________________________________________\|  v 0.23.1
 
 
 ![Durdraw-0 20-demo](https://github.com/cmang/durdraw/assets/261501/ce539865-2e84-4423-92af-cd9ddeeb02ce)
@@ -78,6 +78,13 @@ To look at some included example animations:
     ./start-durdraw -p examples/*.dur
 ```
 
+To edit 16-color PC Scene (MS-DOS/CP437) ANSI art files in a Utf-8 terminal, use the --16colors option:
+
+```
+    ./start-durdraw --16colors
+```
+
+
 ## GALLERY
 
 [![Watch the video](https://durdraw.org/durdraw-youtube-thumbnail-with-play-button.png)](https://youtu.be/7Icf08bkJxg)

durdraw/main.py

@@ -26,7 +26,7 @@ def undosize(size_s):
             raise argparse.ArgumentTypeError("Undo size must be between 1 and 1000.")
 
 def main():
-    DUR_VER = '0.23.0'
+    DUR_VER = '0.23.1'
     DUR_FILE_VER = 7
     DEBUG_MODE = False # debug = makes debug_write available, sends verbose notifications
     durlogo = '''

setup.py

@@ -6,7 +6,7 @@
 
 setup(
     name='durdraw',
-    version='0.23.0',
+    version='0.23.1',
     author='Sam Foster',
     author_email='samfoster@gmail.com',
     description='Animated Color ASCII and Unicode Art Editor',