v0.4-beta-3

Release notes for v0.4-beta-3.

Fixes ​

• fix unhandled reply-code bug
• fix issue where reader goes permanent reader offline
• retry SC after OSDP_PD_SC_RETRY_SEC when possible
• fix USE_SCBKD inversion bug
• fix bug in MAC add/check for SCS_15

Notes ​

• This tag has CP mode verified with HID RK40 readers. This can act as reference point for all PD change validation hereafter.