1.3.82

==== New features

• add dry-run option to check if all files exist at script
• Start download before scan whole Bz2 file. Progress only show how many data burned instead of percentage before finish scan.
• Add NAND built in script to burn boot loader into nand flash, which need uboot support nandbcb command
• Add --skipfhdr option to skip flexspi header
• Can use SD card uboot for flexspi, which need uboot support qspihdr command
• Add timestamp info for each command. (-v show how many time is consumed for each command).
• Add tar.bz2 support.(experimental).
• Add tar.gz support. (experimental).
• Add http download. (experimental).
• Auto append /* for bz2 file when use built-in script.
• Add -lsusb option to list all connected known devices to help find usb path when do multi boards support

==== Bug fixes

• Fix SPL download uboot failure if uboot size > 2M
• Upgrade libusb to 1.0.23-rc3 to resolve some windows compatibility problem. such as exit if not usb port under virtual root hub.
• Fix bz2 decompress problem if bz2 created by bzip2 instead of pbzip2.
• Fix missed last chunk data for android sparse image
• fixed #123: implement timeout for wait known usb device appear