0.5.2

• Initial out-of-band protocol support #576
• Support provisioning a new local-only DID in the wallet, updating a DID endpoint #559, #573
• Support pagination for holder search operation #558
• Add raw JSON credential signing and verification admin endpoints #540
• Catch fatal errors in admin and protocol request handlers #527, #533, #534, #539, #543, #554, #555
• Add wallet and DID key rotation operations #525
• Admin API documentation and usability improvements #504, #516, #570
• Adjust the maximum number of attempts for outbound messages #501
• Add demo support for tails server #499
• Various credential and presentation protocol fixes and improvements #491, #494, #498, #526, #561, #563, #564, #577, #579
• Fixes for multiple agent endpoints #495, #497
• Additional test coverage #482, #485, #486, #487, #490, #493, #509, #553
• Update marshmallow dependency #479