Release 1.2.4

This release makes minor changes to the AT command interface in order to improve backward compatibility with Murata's original firmware:

• The AT command interface is now case-insensitive and also accepts lower case AT commands;
• Downlink payloads that follow +RECV notifications are terminated with CRLF (undocumented Murata feature);
• The Secure Element (security keys) are reset on region change.

As a bonus, the wiki now describes the various asynchronous notifications generated by the modem.

SHA256 checksums:

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Full changelog: v1.2.3...v1.2.4