+Z39.50 client code uses pz:elements. pz:elements was recognized in
+earlier Pazpar2 versions but it was not used for anything.
+
+icu_chain_test is using fgets instead of getline - fixes compilation
+on MacOSX .
+
+Loosen the CCL query parsing so that Pazpar2 only returns error if _all_
+query conversions fail (rather than _any_). This means targets that do
+not support some fields are ignored in a search.
+