Merge pull request #5 from umajeric/master

Added changes formats
Fix tests...
Fixes...
Edit readme
Update dependencies
Bump dependency
Fix Messages widget and tests
Change example endpoint and add test user data
Add max size limit...
Merge pull request #6 from umajeric/master

KPI updated with metric operation
Fix max payload size
Test fix...
Databox latest PushAPI changes

- add base API url
- add source_token & access_token support
- update push/logs endpoints
- update README
Merge pull request #8 from VladaPetrovic/master

Databox latest PushAPI changes
Added support for base URL change + two bugfixes