3.4.2

3.4.1 fix #88

#87 zip test report

# 86 version bump to 3.3.0

Fix #85 by checking for null Scenario during comparison

#84 remove assertion that won't pass

update readme

fiddling

#73 refactoring...

#76 (1.2.2) Fix handling segment domain namespaces,

and default namespace xbrldi when segments are used