add test for nested list writing with preceding element
Merge branch 'test_for_nested_lists_with_preceding_element' of https://github.com/amro/DTCoreText into amro-test_for_nested_lists_with_preceding_element
enhanced Writer Tests to test fragment and document mode
fixed bug where searching for list range backward would always return 0
#631
append additional \n after block elements
Merge branch 'amro-test_for_nested_lists_with_preceding_element' into develop