Minor changes to math module

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


Former-commit-id: 690f161704ed85fc57a62b812af7933e390572b5

include/Nazara/Math/Vector4.inl

@@ -184,6 +184,14 @@ NzVector4<T>& NzVector4<T>::Set(const NzVector3<T>& vec, T W)
 	return *this;
 }
 
+template<typename T>
+NzVector4<T>& NzVector4<T>::Set(const NzVector4& vec)
+{
+	std::memcpy(this, &vec, sizeof(NzVector4));
+
+	return *this;
+}
+
 template<typename T>
 template<typename U>
 NzVector4<T>& NzVector4<T>::Set(const NzVector4<U>& vec)
@@ -204,12 +212,6 @@ NzString NzVector4<T>::ToString() const
 	return ss << "Vector4(" << x << ", " << y << ", " << z << ", " << w << ')';
 }
 
-template<typename T>
-NzVector4<T>::operator NzString() const
-{
-	return ToString();
-}
-
 template<typename T>
 NzVector4<T>::operator T*()
 {