Added get_paginated_upload_model_query_results & create_query_index to database_api in order to query the upload models in a paginated fashion.
Added created_date_time field to upload_model.py. Adapted the other modules accordingly.
Adapted the completed_uploads.py to use the paginate api to load the data whenever the user scrolls to the bottom end.
Restructured the initialize_config_document method to also populate the project_upload_items from data hierarchy during the initialization (default setting is to all items selected during the initialization).
Other minor modifications in completed_upload_task.ui & completed_uploads_base.ui.
Corrected the truncation bug for the project name which is passed in while creating the DataUploadTask instances.
Adapted the completed_uploads.py module to display the project name truncated and have the full name in the tooltip.