replace net/url with urlutil

[iamargus95]

• Replaced net/url with urlutil:
  • url.Parse -> urlutil.Parse where url is given as input or contains some complex exploit.
• Variables of type *urlutil.URL with URL in the suffix renamed i.e :
  • parsedURL -> parsed

  To avoid it being used as parsedURL.URL.

• Used urlutil's .Update() method when referencing http.Request.URL as mentioned in the notes here.

[tarunKoyalwar]

New changes

• earlier katana input required scheme i.e http , https (katana -u hackerone.com would fail silently)
• ^ is fixed now and if input does not have a scheme katana tries to add one and runs
• adds -debug flag for debug data / verbose logging
• improved error logging

[tarunKoyalwar]

lgtm !

$ ./katana -u hackerone.com  | head -n 10

   __        __                
  / /_____ _/ /____ ____  ___ _
 /  '_/ _  / __/ _  / _ \/ _  /
/_/\_\\_,_/\__/\_,_/_//_/\_,_/							 

		projectdiscovery.io

[INF] Current katana version v1.0.0 (latest)
[INF] Started Crawling Target: https://hackerone.com
https://www.hackerone.com/
https://hackerone.com
https://www.hackerone.com/sites/default/files/css/css_0tloVjMoPsh3cM5bG6CU7uN0_ka2kUclBNpTcih8VVM.css
https://www.hackerone.com/sites/default/files/js/js_Ikd9nsZ0AFAesOLgcgjc7F6CRoODbeqOn7SVbsXgALQ.js
https://docs.hackerone.com/
https://www.hackerone.com/sites/default/files/js/js_C-5Xm0bH3IRZtqPDWPr8Ga4sby1ARHgF6iBlpL4UHao.js
https://www.hackerone.com/sites/default/files/css/css_Od8DNnS6eVnRJdunvzGK7xDiHeWiMXyL5pWL3odLDbw.css
https://www.hackerone.com/sites/default/files/js/js_4FuDbOJrjJz7g2Uu2GQ6ZFtnbdPymNgBpNtoRkgooH8.js
https://www.hackerone.com/policies
https://www.hackerone.com/security

[tarunKoyalwar]

@iamargus95 , thanks for PR and helping with refactor