v0.6.0

What's Changed

Refactored for cleaner architecture. The search manager can be used now many times, concurrently, enabling it to be used in API's.
Added cached sources that work offline.
NIST cached enrichment.
Github PoC cached enrichment.
Github enrichment.

• Feature/caching more sources refactor by @krystianbajno in #20

Full Changelog: v0.5.4...v0.6.0