Added Error->isRetryable()

This field determines whether the error returned by the SDK can be retried.

Added functions for listing private catalog

v4.4.0

fixed typo

v4.1.1

What's Changed

• Try multiple paths when loading the core library. by @stepanbujnak in #5

Full Changelog: v4.1.0...v4.1.1

v4.1.0

What's Changed

• Support PHP 8.0 by @stepanbujnak in #3
• Added support for PexSearch types by @stepanbujnak in #4

Full Changelog: v4.0.0...v4.1.0

v4.0.0

added more examples