* Tasks loading only when needed

* Fixed project page

* Added CHANGELOG, increased packages versions

* Update CHANGELOG.md
Co-authored-by: NBoris Sekachev <boris.sekachev@intel.com>

* Fixed comments

* Fixed overflow issue

* Fixed reducer issue

* Fixed cvat-core tests
Co-authored-by: NBoris Sekachev <boris.sekachev@intel.com>