fix implicit filtering issue reported by Javier Mora (Mexico Taxonomy)
fix formula tree view of concept relationship filters
improve efficiency of qname __eq__
add xbrl.org PWD package specification namespace to package manager
fix open node issue in structural nodes
prevent structural node header from called unnecessarily
provide (commented out) profiling code for windows structural node and
layout process timing
correct tree view error where a previous selection in tree view caused error
when reviewing tree view with different language (en->ja, for example)