add API to pg for enabling / disabling hstore
Refactor to use each_key, remove extra spaces
Send paths argument as an array rather than converting it internally
s/ERb/ERB/
Remove yaml Proc param parser test

I don't believe this test is exercising any explicit params_parser
behavior that the other two Proc tests aren't already doing.  Given
that we now know it's a bad idea to load user input via YAML.load,
somebody reading this test might get a dangerous idea about building
out a YAML params parser.
Needs to explicitly require 'minitest/parallel_each'

Minitest has changed to require this since https://github.com/seattlerb/minitest/commit/728054b
Merge pull request #9104 from bemurphy/remove_bad_idea_parser_test

Remove yaml Proc param parser test
'minitest/parallel_each' might not always be available
Only search for enabled extension if the PostgreSQL version supports
extensions
Fix typo
Reduced memory leak problem in transactions by lazily updating AR objects with new transaction state. If AR object has a callback, the callback will be performed immediately (non-lazily) so the transaction still has to keep records with callbacks.