v2.5.1

What's Changed

• Added visualizer for zonegrid (heat-map) by @robdobsn in #13
• Improved array attribute handling by @robdobsn in #14
• Added support for samples longer than 255 bytes by @robdobsn in #15
• Improved websocket connections - fixed issue with retries, events during reconnection more consistent, default retry same connection type
• wifiscan improved - return value indicates status

Full Changelog: v2.4.1...v2.5.1