0.5.4 - Merged #158

Merged PR by ln-12 which added a connectSecure method to support WSS connection with the classic interface (host, port, path).

Connection timeout added #104

CA Certs and Fingerprints updated (see patch notes in readme)

Support for Teensy 4.1 added by the awesome @arnoson. Supporting plaintext client/server communication and providing new and useful examples. Thank you arnoson!

Merged pull request by Adelin U (@adelin-mcbsoft) which fixed issue #84 - SSL bug-fixing, implemented public-key certificate validation & EC Certificates for client-side. Thank you Adelin!

Merged pull request by Luka Bodroža (@zastrixarundell) which fixed issue #69 - default headers (like Origin, Host) are now customizable via the addHeader method. Thank you zastrixarundell for the contribution.

Merged pull request by @Oofnik which added 2 way SSL auth for ESP32 and ES8266. Thank you very oofnik for the contribuation

Added Origin and User-Agent headers to requests sent by the library, this seems to be required by some servers. Thank you imesut for pointing out the issue.

Added rawData and c_str as acccessors in WebsocketsMessage so now the raw data can be acccessed which should solve issue #32 and not break any existing sketch.