Create web_reconnaissance.py

Renamed "Deep Web Search" to "Web Reconnaissance"

Prevent sometimes getting a TypeError during Leak Search

Renamed module internal funcs "private"

Update README.md

Big rework of Leak Search and IG Scrape and more

Massive overhaul and rework on web search

More huge improvements:

Merge pull request #45 from vil/improved

Lot of improvements and important bug fixes:

Run holehe with "--only-used" flag

Info regarding pre-compiled binaries

Change exitcode to proper value

Improvements and fixes

Add Bluetooth Scanner to README