* Add polygon merging option to coco converter
* Add test, refactor coco, add support for cli args
* Drop colormap application in datumaro format
* Add cli support in voc converter
* Add cli support in yolo converter
* Add converter cli options in project cli
* Add image data type conversion in image saving
* Add image data type conversion in image saving
* Update mask support in voc
* Replace null with quotes in coco export
* Improve cli
* Enable Datumaro intellisense in vs cde
* Adjust fields in voc detection export