Update README.md

Author: hernandp

README.md

@@ -1,2 +1,39 @@
 # MessageCrackerWizard
-A tool for aiding Win32 C development using WINDOWSX.H message crackers
+A tool for aiding Win32 C development using WINDOWSX.H message crackers.
+
+# Introduction
+
+This is the source code, MIT licensed now, of my old ClassWizard-like tool to working with WINDOWSX.H message cracker macros. It's intended as you imagine, for raw-C and C++ programmers developing Win32 native applications.
+
+For a detailed description of this program, check out the original CodeProject article at:
+
+https://www.codeproject.com/Articles/4948/Message-Cracker-Wizard-for-Win-SDK-Developers
+
+Suggestions are welcome.
+
+# Version History
+
+* 1.0
+  * First release, Sep, 2003.
+* 1.2
+  * Added multiple selection feature.
+  * Added missing crackers for WM_COPYDATA and WM_HOTKEY messages.
+  * Fixed little interface bugs.
+* 2.0
+  * Added message filtering.
+  * Added window transparency option (only for Windows 2000/XP/Server 2003).
+  * Added show/hide Target code.
+  * Added enable/disable stay on top window.
+  * Added WM_CTLCOLORxxxx message support.
+  * Added message-type bitmaps on list box.
+  * Added include/exclude comments option.
+  * Fixed keyboard logic.
+* 2.1
+  * Fixed clipboard copy bug (thanks to Agnel Kurian).
+  * Now the program is licensed under the GPL.
+* 2.2
+  * C++ code modernization to near- modern standards
+  * Updated for compilation with VS2015
+  * Changed to Unicode for all strings
+  * Fixed analysis, warnings, and related issues
+  * Changed to MIT license