* Catch state error in homepage widget
* Add flutter_overlay_loader lib
- Displays an overlay screen to indicate blocking operation
* Wrap blocking widget transitions in a loading overlay
- Prevents user from doing other things while loading
- Shows the user that something is happening
* Linting fixes
* Show overlay when uploading attachment file
* Show overlay when downloading file also
* Show overlay when loading or submitting API forms
- Major improvements to usability "feel"
* UI improvements for stock item test results widget
* Fix API_FORM bug
- onSuccess function was not being called
* Bug fix for login screen
- Prevent setState() from being called if the widget is no longer loaded
* Add callback function when API status changes
- Home screen uses this function to update connection status indicator
* Linting fixes
* Add action for scanning a stock location into another location
* Adds barcode scan handler for new functionality
* Handle scanning of stock location
* Cleanup
* Refactor existing barcode scanning functions
- Will require extensive testing and validation
* Add entry to release notes
* Delete dead code
* Improved ordering based on stock quantity
* Bug fix for 'adjustStock' function
* Improve error responses for barcode scanning
* Improve error responses for barcode scanning
* Remove old debug statements
* Add some extra explanatory texts
* Icon change
* Fixes for unit tests
* Adds extra functionality for user profile manager
* Refactor barcode code - do not rely on BuildContext
* Adds initial unit testing for barcode scanning
- Work on mocking barcode data
- Add hooks for testing snackBar and audio files
* Linting fixes
* More barcode unit tests
* Cleanup unit tests for barcode
* Remove unused import
* Handle HTTPException in API
* Improvements for API unit testing
* Unit testing for scanning item into location
* Add unit test for scanning in items from a location context
* Unit test for scanning location into parent location
* Improve feedback for barcode scanning events
