Buildout Collection read filter

[alukach]

• listing collection
  • Description: Append query params with generated CQL2 query.
  • Action: Read
  • Endpoint: /collections
  • Method: GET
• reading collection
  • Description: Validate response against CQL2 query.
  • Action: Read
  • Endpoint: /collections/{collection_id}
  • Method: GET

[alukach]

Closed by #52