Remove debug code
Add test coverage for SP_API
Add test coverage for SP_Config
Improve test coverage
Use WP_UnitTestCase::go_to() instead of $wp_the_query
Improve sorting
Test invalid sorting
Initial work refactoring search
Refactor how results are obtained from a search
Make wp_to_es_args static
Return posts by default with sp_search and sp_wp_search
Refactor faceting, add tests
Delete the index when tests finish
Allow multiple independent orderby/order pairs
Fix default ordering from last commit
Improve author test coverage
Improve date_histogram facet test coverage
Coding standards, fix variable name
Remove unnecessary 'url' param from facet results
Add PHPDoc