Allow JSON output and more

[mesaglio]

New functionality:

• Flag -j, to print findings like json

{
   "Bucket": {
      "public": [
         "url: string"
      ],
      "redirect": [
         "src -> dest"
      ],
      "no_exist": [
        "url: string"
      ]
   },
   "Object": {
      "public": [
         "url: string"
      ]
   }
}

• Flag -v, to print logs
• Flag -t, to skip banner print
• Change output colors. Old: New: