Re-added first-hit from earlier pull request

Added first-hit back into the codebase as it was added into the application after this pr.

Author: codingo

lib/input.py

@@ -46,6 +46,11 @@ def setup_parser():
             help='Ignore content lengths of specificed amount (default 0).'
         )
 
+        parser.add_argument(
+            '--first-hit', dest='first_hit', action='store_true', default=False,
+            help='Return first successful result. Only use in scenarios where you are sure no catch-all is configured (such as a CTF).'
+        )
+
         parser.add_argument(
             '--unique-depth', dest='unique_depth', type=int, default=1,
             help='Show likely matches of page content that is found x times (default 1).'
@@ -103,4 +108,4 @@ def setup_parser():
             help='Specify a user-agent to use for scans'
         )
 
-        return parser
+        return parser