Changelog in 3.0:
-----------------
Subdomain takeover checks.
Port scanning (basic).
Improved DNS dictionary.
Shodan DB search fixed.
Result storage in Sqlite.

Changelog in 2.6:
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- usage() improvement, CameronNemo.
- Added Yahoo and Baidu search engines. Thanks to Tatanus.
- Added check for the existence of Requests library.
- Fixed email regex to provide cleaner results. Thanks to Peter McAlpine.

Changelog in 2.5:
-----------------
???

Changelog in 2.4:
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- Fixed Linkedin parser.
- Fixed 123people.
- Added Dogpile search engine (Marcus).
- PEP8 code compliant (Mario).
- Fixed XML export (Marcus).
- Expanded TLD list from http://data.iana.org/TLD/tlds-alpha-by-domain.txt (Marcus).
- Fixed DNS brute force (Tomas).
- Added Google Custom Search Support. Requires API.

Changelog in 2.3:
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- Fixed duplicates.

Changelog in 2.2:
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- Added Jigsaw (www.jigsaw.com).
- Added 123People (www.123people.com).
- Added limit to Google searches as the maximum results we can obtain is 1000.
- Removed SET, service was discontinued by Google.
- Fixed parser to remove wrong results like emails starting with @.

Changelog in 2.1:
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- DNS brute forcer.
- DNS reverse lookups.
- DNS TDL expansion.
- Shodan DB integration.
- HTML report.
- Specify DNS server.

Changelog in 2.0:
-----------------
- Complete rewrite. More modular and easy to maintain.
- New sources (Exalead, Google-Profiles, Bing-API).
- Time delay between request to prevent search engines from blocking a user's IP.
- You can start the search from the results page that you want, hence you can *resume* a search.
- Export to XML.
- All search engines harvesting.