Postgres Compatibility Post 9.6

The following is a list of items that require attention to make ClassDB compatible with Postgres versions post 9.6.

Please add every item discovered to this table so we get a full picture before creating and addressing them as issues.

Do not create issues for these items until after we have had a chance to review these items.

Item	Description	pg version changed in	Source file(s)
`password_encryption` / Authentication Methods	`scram_sha_256` added as `password_encryption` method. Other existing methods should also be tested for compatibility (see here)	10.0	`testClassDBRolesMgmt.sql`, `addClassDBRolesMgmtCore.sql`, `addRoleBaseMgmtCore.sql`