FEATURE: Added PassiveSearch v1 (#2)

* FEATURE: Added PassiveSearch v1

- Added Connection to ElasticSearch
- Added 2 API's - /ping and /passive
- Keyword Search using /passive
- Added Storing to DB capability when using /search

* Fix: Added error handling

-added error handling for passivesearch api endpoint

* FEATURE: Added Simple Query String

- Changed ElasticSearch Search type to Simple Query String

* REFACTOR: Improved Active Search

-Made Active Search make better use of downtimes (Rate Limits or Validation Downtime)

* FIX: Issues with Active Search

-Fixed errors with parrallel processing