Enable optimization
Introduce checksum::no_length
checksum::set_hexadecimal: fix logic bug
strip_inplace: fix logic bug
donwload: do not update cache in no_cache mode
Make parse_unsigned_long_long and whitespace public functions
Add base16_encode
Add class fd_handle
Add SHA-256 hash helper
Add operating system helpers
Add file_cache
Add --download-repo option