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

PICout ldouble support
PIEthernet small optimization

libs/main/core/picout.cpp

@@ -392,6 +392,8 @@ PICout & PICout::operator <<(float v) {if (!act_) return *this; space(); PIFLOAT
 
 PICout & PICout::operator <<(double v) {if (!act_) return *this; space(); PIFLOATCOUT(v)}
 
+PICout & PICout::operator <<(ldouble v) {if (!act_) return *this; space(); PIFLOATCOUT(v)}
+
 PICout & PICout::operator <<(const void * v) {
 	if (!act_) return *this;
 	space();