Several small cosmetic changes to the "KitchenSink" sample sketch.
Changed the "GPSBaud" constant in all the sample sketches from "int" to "unsigned long" type. This change came about because people were changing the default value (4800) to faster speeds (38400) without thinking that these overflow the integer type on many platforms.
Several new features, the most important of which are:
a) completely rewritten parseDegrees() function that allows accuracy to one 10 millionth of a minute, and 1 billionth of a degree, that is, sub-centimeter
b) Per Marco and others, allow time and date to be extracted from GPGGA and GPRMC sentences, even when they report "no fix".