Save inverted index in a custom folder

v1.1.3

Bump version 1.1.3

Domain crawler

Add domain crawl.
Add mongodb inverted index
Create PyPI distribution.

1.0.2

• Update dependencies.
• Changes to reflect the new server.
• Crawl 50 sites per loops instead of 10.
• Fix an error in sanesearch when there are no keywords.
• Simplify and update tests.

1.0.1

• Some fixes.

1.0.0

• Initial release.