Add -v option for file info
Add -v option for file info

The -v option is to show more info about the binary

    $ elftree -v `which firefox`
    firefox
       libpthread.so.0
          libc.so.6
             ld-linux-x86-64.so.2
          ld-linux-x86-64.so.2
       libdl.so.2
          libc.so.6
          ld-linux-x86-64.so.2
       libstdc++.so.6
          libm.so.6
             libc.so.6
             ld-linux-x86-64.so.2
          libc.so.6
          ld-linux-x86-64.so.2
          libgcc_s.so.1
             libc.so.6
       libm.so.6
       libgcc_s.so.1
       libc.so.6
       ld-linux-x86-64.so.2

    firefox: /usr/lib/firefox/firefox
      type:                     ET_DYN  (EM_X86_64 / ELFCLASS64 / LittleEndian)
      interpreter:              /lib64/ld-linux-x86-64.so.2
      total depedency:          7
      direct depedency:         7

namhyung/elftree