Add toUShort to String

common/STRING.CPP

@@ -569,6 +569,12 @@ short String::toShort(void)const
 	return short(::atoi(str()));
 }
 
+unsigned short String::toUShort(void)const
+{
+  if(isNull())return 0;
+	return unsigned short(::atoi(str()));
+}
+
 float String::toFloat(void)const
 {
   if(isNull())return 0.00;

common/String.hpp

@@ -81,6 +81,7 @@ public:
 	WORD remove(WORD removePosition=0);
   int toInt(void)const;
 	short toShort(void)const;
+	unsigned short toUShort(void)const;
 	float toFloat(void)const;
 	double toDouble(void)const;
 	long toLong(void)const;