pcscd V2.0
    1.Use libusb-1.0.8, pcsc-lite-1.7.2, ccid-1.4.4.
    2.Fix android 2.2 usb bug.

pcscd V1.2
    1.Modify abnormal uninstall and install's bug.

pcscd V1.1
    1.Support two slots.
    
pcscd V1.0
    1.First release.