+ added test 07_traverse.t
+ minor pod fixes
+ tagged DDC-Concordance-0.23
+ added aparse.perl (debug helper for DDC::Any query-parsing)
+ updated to v0.23
+ tagged DDC-XS-0.13
+ updated Changes
+ fixed new() and newSet() method mismatch in DDC::XS::CQTokInfl
* pp subtree seems to be working properly; adapated DDC::XS tests
+ v0.12: use Test::More for tests