0.1.6

Add a few new boards:

• Sasquatch-WB5MMG
• MicroMod-WB5MMG
• DISCO-WB5MMG

Add Secure Boot / Secure Firmware Update:

• SHA256/ECC256 signature / authentication
• AES128 encryption
• LZFWU compression
• BLE OTA

Add DEBUG support for IDE 2.x