Feature - scan all web service in a single host

[miaochiahao]

I have to say, awesome work! It seems that rengine will not perform path discovery on different ports of a single host. For example, port 80 and port 8888 opened on a host, rengine will only perform path discovery on 80, and 8888 will be left.

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[psyray]

Fixed by 2.0 version with @ocervell PR https://github.com/yogeshojha/rengine/pull/742 https://rengine.wiki/changelog/#200