preliminary functionality on adding multiple
remove element now takes in an array of line numbers
support for inserting a link collection
preliminary : in the parseText
reorganized remove function
link collection delete properly destroying links
should deal with the orphaned linkcollection and adopted ones correctly
find_el_children now returns LinkCollections
succesful adoption of :links after orphaned by delete
fixed type in insert that was breaking links addition for modify
fixed the link_coll addition in parse_text, corrected the way it generated the ordering