added isEqual to compare paragraph styles
Added list round trip tests #618
Also check secondary paragraph style after prefix #618
improvements for #618
Merge branch 'develop' into od/issue_618

Conflicts:
	Core/Source/DTHTMLWriter.m
	Demo/Resources/CurrentTest.html
Added list style range check
fixed iOS 7 problem with -isEqual:
added NL
changed list range checking to look for instance, safer than containsObject since we are looking for the identical instance
#618
changed range searching to look for instances instead of isEqual:, should be faster
cleanup
Merge branch 'od/issue_618' into develop
removed exception check, keeps randomly failing