v1.2.1 - Allow PPID reuse
  * Now allows a single user to use the same PPID for multiple sites

v1.2.0 - Issuer Pub/Priv Key and Grant APIs for OAuth3
  * Resource Owner Password token exchange
  * Implicit Grant token exchange
  * Public / Private Keypair generation
  * Public key (remember device) syncing
  * BUG: ppid rescoping is not handled correctly for 3rd parties