OS-1932 mdb_dcmd_f not defined when MDB_API_VERSION is 3
OS-1908 ::findjsobjects needs to find/process JavaScript arrays
OS-1913 ::jsprint overflows stack on extremely large objects
OS-1925 ::jsprint can print spurious members
OS-1914 ::findjsobjects should be able to find references in bulk
OS-1934 mdb_v8 should be compiled with MDB_API_VERSION set to 3