message: saba-ja: set ALLOW_REREGISTRATION to default false
diff: enum {
  CMD_DISPATCHER_DISPATCH_TABLE_SIZE = 100, // !< The size of the table holding opcodes to dispatch
  CMD_DISPATCHER_SEQUENCER_TABLE_SIZE = 25, // !< The size of the table holding commands in progress
  - ALLOW_REREGISTRATION = true // !< If true will reregister opcodes otherwise will ASSERT for duplicate opcode
  + ALLOW_REREGISTRATION = false // !< If true will reregister opcodes otherwise will ASSERT for duplicate opcode
  };
  