🍋 libUTAU: for better utau develop environment

Feature

Function	Input	Output
libUTAU	int argc, char **argv	class UtauPara
PitchBendDecoder	std::string &str, int count	int *pitch_bend
ScaleConvert	std::string scaleName	double scaleNum
UTAUParameterPaser	int argc, char **argv	class UtauPara

Why lemon 🍋?

Because lemon is cute