* adding meta prefix to all relevant meta keys.
moved extractor functions into reusable script.
* adding comprensive tests and types for extracted data stored in tables.
* update with README.
* using choiceTypePaths to correctly append types to the search parameter queries.
* adding comment or `keyword` types
* better extraction of Date information.
* fix tests.
Failures during searchparameter extraction should not cause the resource to be skipped.
Update searchparameter extraction to correctly handle Time objects
Update searchparameter extraction to default to nil if empty list is returned during extraction.
Jason Kulatunga