INCOMPATIBLE change: (MAKE-INSTANCE ...) and (NEW ...) of classes GHASH-TABLE and THASH-TABLE
now expect :TEST and :HASH arguments to be function names (i.e. symbols) instead of actual functions.

For example, the call (new 'thash-table :test #'eql)
must be replaced with (new 'thash-table :test 'eql)

Unluckily there was no way to maintain compatibility and still implement
fully general serialization/deserialization of GHASH-TABLE and THASH-TABLE
as HYPERLUMINAL-DB is currently start to provide