loongson/mirror: links for pyiarduinoi2cexpander

loongson/mirror pyiArduinoI2Cexpander-1.0.4.tar.gz
loongson/mirror pyiArduinoI2Cexpander-1.0.3.tar.gz
loongson/mirror pyiArduinoI2Cexpander-1.0.1.tar.gz
loongson/mirror pyiArduinoI2Cexpander-0.9.9.tar.gz