message: Noting the PRF set for python support.
diff: @@ -33,7 +33,7 @@ AEAD | yes | yes | yes | yes | yes
  Streaming AEAD | yes | yes | no | yes | no
  Deterministic AEAD | yes | yes | yes | yes | yes
  MAC | yes | yes | yes | yes | yes
  -PRF | yes | yes | no | yes | no
  +PRF | yes | yes | no | yes | yes
  Digital signatures | yes | yes | yes | yes | yes
  Hybrid encryption | yes | yes | yes | yes | yes
  @@ -94,6 +94,7 @@ Primitive | Python Implementations
  AEAD | AES-GCM, AES-CTR-HMAC, AES-EAX, KMS Envelope, CHACHA20-POLY1305, XCHACHA20-POLY1305
  Deterministic AEAD | AES-SIV
  MAC | HMAC-SHA2
  +PRF | HKDF-SHA2, HMAC-SHA2, AES-CMAC
  Digital Signatures | ECDSA over NIST curves, Ed25519, RSA-SSA-PKCS1, RSA-SSA-PSS
  Hybrid Encryption | ECIES with AEAD and HKDF
  