storage/archive/archive_reader.c:
  Added version bit to solve the issue of hitting old archive files when reading them.
storage/archive/azio.c:
  Set the compression back on.
storage/archive/ha_archive.cc:
  Cleaned up memory allocation ( a bit more logical and less tricky ).
  Fixed bug in not setting autoincrement correctly and cleaned up memory usage for optimize
storage/archive/ha_archive.h:
  Clean up.