PIString::toFloat/Double/LDouble own fast implementation (. and , equivalent)

PICout ldouble support
PIEthernet small optimization

libs/main/core/picout.h

@@ -230,6 +230,10 @@ public:
 	//! \~russian Оператор вывода для <tt>"double"</tt> значений
 	PICout & operator <<(double v);
 
+	//! \~english Output operator for <tt>"ldouble"</tt> values
+	//! \~russian Оператор вывода для <tt>"ldouble"</tt> значений
+	PICout & operator <<(ldouble v);
+
 	//! \~english Output operator for pointers
 	//! \~russian Оператор вывода для указателей
 	PICout & operator <<(const void * v);