Merge with jsonschema_201909

Author: danielaparker

CHANGELOG.md

@@ -1,3 +1,20 @@
+0.173.4
+-------
+
+Defect fixes
+
+- Fixed issue #485 where `basic_json` member names did not use `polymorphic_allocator`
+
+- Addressed issue #482 by replacing `static_assert` with runtime exception
+
+0.173.3
+-------
+
+Defect fixes:
+
+- Made all member functions of [jsoncons::range](https://github.com/danielaparker/jsoncons/blob/master/doc/ref/corelib/json/range.md) const
+
+
 0.173.2
 -------