v0.1.1

Fix error when all variables in view were expandable. Even, when it was NULL

v0.1.0

Initial release of extension. Not really production ready - tested only for 15.6 version.
This release is intended to be tested by community and to collect feedback.

Features:

• Separate view with Node * variables introspection for their real type (based on NodeTag)
• Intrinsics for List * and PlannerInfo * types - show list elements as array, and simple_rel/rte_array elements
• Dump Node * to stdout using postgres pprint(Node *) function