Added Gustavo Donizeti Gini to the list of donators

README.md

@@ -15,7 +15,8 @@ Features
 * JSON decoding (comments are supported)
 * JSON encoding (with optional indentation)
 * Elegant API, very easy to use
-* Efficient (no malloc, nor copy)
+* Fixed memory allocation (zero malloc)
+* No data duplication (zero copy)
 * Portable (written in C++98)
 * Self-contained (no external dependency)
 * Small footprint
@@ -116,6 +117,7 @@ Special thanks to the following persons and companies who made generous donation
 * A B Doodkorte
 * Scott Smith
 * Johann Stieger
+* Gustavo Donizeti Gini
 
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