BlockExtract arguments are not easy to understand

[computerality]

Maybe have --blocks-out be -o?

$ ./BlockExtract -f ../../tests/ELF/ls_x86 [ Error ] You must have an output file specified options: -h [ --help ] print help -f [ --file ] arg input file -a [ --arch ] arg architecture - x86, x64, arm, thumb --raw interpret input file as raw blob --block-size arg max size in statements of blocks to search --blocks-out arg seralize input to a DB