Features
* feat(StatusList): support issuance of array credentialStatus property value ([`71cabce`](https://github.com/blockchain-certificates/cert-issuer/commit/71cabce20191dc5b56279c00adcc7831fd89ca1f))
* feat(ConcurrentProofs): chain sign concurrent proofs with merkle root of previous proofs ([`8449a9b`](https://github.com/blockchain-certificates/cert-issuer/commit/8449a9bc8798ce29759e5c1ba95d1919b0ae9a64))
* feat(ConcurrentProofs): allow setting nature of multiple proofs by config/CLI ([`6ebf7f1`](https://github.com/blockchain-certificates/cert-issuer/commit/6ebf7f142105d5373d356cdce2d3be33310a2041))
* feat(ProofHandler): add concurrent proof ([`8670875`](https://github.com/blockchain-certificates/cert-issuer/commit/867087522e20774aa8f2301ec89808207a544c2b))
Refactoring
* refactor(ProofHandler): add chained flag ([`29f91bb`](https://github.com/blockchain-certificates/cert-issuer/commit/29f91bb2a6cf3786c0e026f13c96b4a593fe9f15))
Unknown
* Merge pull request 238 from blockchain-certificates/feat/validate_metadata
Feat/validate metadata ([`76c99cb`](https://github.com/blockchain-certificates/cert-issuer/commit/76c99cbaa32f06bbec347b6646d605d0f0aac510))
* Merge pull request 253 from blockchain-certificates/feat/status-list-2021
feat(StatusList): support issuance of array credentialStatus property… ([`a34a9ac`](https://github.com/blockchain-certificates/cert-issuer/commit/a34a9acefd24b38ddd324530e548a1ea47949f0c))
* Merge pull request 248 from dallarosa/dallarosa-fix-dockerfile-regtest
fix Dockerfile ([`2414aa2`](https://github.com/blockchain-certificates/cert-issuer/commit/2414aa2758148b32a4cedcee702d14c58b7bce14))
* fix Dockerfile
Added the header [regtest] to bitcoin.conf, fixing the error:
"Error: Config setting for -rpcport only applied on regtest network when in [regtest] section." ([`c528638`](https://github.com/blockchain-certificates/cert-issuer/commit/c5286388d9bc09ebec4e9119323f8dc0c55f00ce))