begin xml diff implementation
before fixing ids
colorize keyroots
first results, print actions, need to apply actions
play with costs
simplify cost computations, remove useless edits
begin to wrok fine
remove InsertNode and DeleteNode
remove unused size function
driver to test xml diff
fix:when creating by-topic, by-keyword and by-month elements, update existing elements if they exist
mod: url of .../index.html elements now include a final /; improve invalid ref message
costs option
fix conflict
remove xmldiff, now developed in a separate project