Readme.md in fast_excel-0.5.0

- old
+ new

@@ -19,11 +19,14 @@
 - Merged cells.
 - Defined names.
 - Autofilters.
 - Charts.
 - Data validation and drop down lists.
-- Worksheet PNG/JPEG images.
+- Conditional formatting.
+- Worksheet PNG/JPEG/GIF images.
+- Cell comments.
+- Support for adding Macros.
 - Memory optimization mode for writing large files.
 - Source code available on [GitHub](https://github.com/jmcnamara/libxlsxwriter).
 - FreeBSD license.
 - ANSI C.
 - Works with GCC, Clang, Xcode, MSVC 2015, ICC, TCC, MinGW, MingGW-w64/32.
@@ -70,10 +73,9 @@
 
     return 0;
 }
 
 ```
-
 
 
 See the [full documentation](http://libxlsxwriter.github.io) for the getting
 started guide, a tutorial, the main API documentation and examples.
 