Virustotal-api

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**Fixed timeout functionality, removed unnecessary methods**

- Fixed the timeout parameter in the PublicApi and removes unnecessary code in the PrivateApi (credit: mrredamber aka LEGEND)

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**Request Timeout Functionality**

- Adds a timeout parameter to methods that make requests to the VirusTotal API (credit: mrredamber aka LEGEND)

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**API Changes**

- Re-adding the ability to use files from memory as well as from disk. (credit: tweemeterjop)

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**API Changes**

- Adding file/url feed private API endpoint.

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**Privacyfixes**

- Fix scan_file (upload to VT), do not leak full path. (credit: Rafiot)

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**Bugfixes**

- Fixed get_url_report method for the Private API (credit: John-Lin)