v1.1.7: Safer internal exception logger for WSAPIClient

Previously running a JSON.stringify call within the WebsocketAPIClient exception handler could in rare circumstances lead to a circular reference. This handles that scenario in a safer way.

What's Changed

• feat(): Add licence file by @JJ-Cro in #104
• fix(v1.1.7): update circular ws issue by @JJ-Cro in #105

Full Changelog: v1.1.6...v1.1.7