v0.1.2

Features:

• Add multiple device support. Example to run 1 workers on device 0 and 2 worker on device 1:$ md5rs -d 0 -w 1 -d 1 -w 2, run both on integrated GPU and discrete GPU: $ md5rs -d gpu -w 1 -d 0 -w 2.

Bug fixes:

• Fix resize_with_pad wrong returned dimension.