Memory Window, Minor Bugfixes

Adds a new view that displays a single page of memory (user selectable)
and allows direct editing of memory contents.

Also fixes several minor bugs, including one that prevented the status
pane from updating after each manual step.

README.md

@@ -4,9 +4,9 @@ SYMON - A 6502 System Simulator
 **NOTE: THIS IS BETA QUALITY SOFTWARE UNDER ACTIVE DEVELOPMENT.  Feedback is
 welcome!**
 
-**Version:** 0.7.0
+**Version:** 0.8.0
 
-**Last Updated:** 9 December, 2012
+**Last Updated:** 29 December, 2012
 
 Copyright (c) 2008-2012 Seth J. Morabito <web@loomcom.com>
 
@@ -90,6 +90,7 @@ running.
 
 ## 4.0 Revision History
 
+  - 0.8.0: 29 December, 2012
   - 0.7.0: 9 December, 2012
   - 0.6: 5 November, 2012
   - 0.5: 21 October, 2012