Release 6.0.1

Bugfixes

• Characters "<" and ">" will be removed when a query term is passed to Util::escapeTerm. Since v5.1 the documentation states that these symbols cannot be escaped ever.
• Remove each() usage to fix PHP 7.2 compatibility
• Fix #1435 forcing doc_as_upsert to be boolean, acording Elastic doc-update documentation
• Fix #1456 set SSL as connection scheme if it is required

Added

• Added request parameters to Client->deleteDocuments(). #1419
• Added request parameters to Type->updateDocuments(), Type->addDocuments(), Type->addObjects(), Index->addDocuments(), Index->updateDocuments(). #1427
• Added avg_bucket() and sum_bucket() in aggregations PR#1443 - (#1279)
• Added support for terms lookup mechanism on terms query #1452