Minor changes to math module

-Fixed missing Set method: "X::Set(const X&)"
-Removed operator String


Former-commit-id: 690f161704ed85fc57a62b812af7933e390572b5

include/Nazara/Math/Rect.inl

@@ -164,6 +164,14 @@ NzRect<T>& NzRect<T>::Set(const T rect[4])
 	return *this;
 }
 
+template<typename T>
+NzRect<T>& NzRect<T>::Set(const NzRect<T>& rect)
+{
+	std::memcpy(this, &rect, sizeof(NzRect));
+
+	return *this;
+}
+
 template<typename T>
 NzRect<T>& NzRect<T>::Set(const NzVector2<T>& vec1, const NzVector2<T>& vec2)
 {
@@ -195,12 +203,6 @@ NzString NzRect<T>::ToString() const
 	return ss << "Rect(" << x << ", " << y << ", " << width << ", " << height << ')';
 }
 
-template<typename T>
-NzRect<T>::operator NzString() const
-{
-	return ToString();
-}
-
 template<typename T>
 T& NzRect<T>::operator[](unsigned int i)
 {