*added checkbox to the DataImporter UI so you can easily remove all children in the selected parent item
*added functionality to ignore empty values. Reason: I have a Field that needs to be a concatenation of 3 values in csv. When using the import with empty values, it kept displaying the delimiter. (example: 'value1,,value3'). So the Checkbox field 'Ignore Empty Values' was added to Mappings/Fields/ToText for usage in combination with multiple ExistingDataNames. When this is checked, it will concatenate the fields but ignore empty ones. Note: this will also work for other import sources (database etc) since the changes were made on the general classes Note2: I didn't include the modified ToText template in the package.zip file
*fix for csv imports not importing in right fields when the csv contains 1 or more empty values
*fix for empty datefields that throw an error. Now, if the value is empty then the field will be empty too.