Lost object investigation tool

## Lost Objects:

### Description:
A tool to identify and locate lost objects.

#### collect: Find all objects and bags that :

- Locally stored: Collect a json of all object stored locally.
- QN associated with a bucket: Query QN for all objects associated with the bucket
- Remote stored: Query storage node for all object stored on the remote storage node

#### Compare:

compare local objects to QN objects.
compare Remote objects to QN objects.
Compare two buckets objects (QN)
Check: Check for missing local objects by doing http head to:

Other bucket assigned to the object's bag
All other buckets
Download: download missing object if head check is positive 

### Input:

0- Function: collect (local,remote, QN), compare , checks, download.
1- Bucket
2- Local directory

### Output:

Type: json

collect: [{ Object: {bag}} ,...]
Compare: [{ Object: {bag}},...]
checks: [{ Object: {bag, bucket: {url}}},...]
downlead: [{ Object: {bag, bucket: {url, status}}},...]