Need help: serialization class and binary compatibility

[cotharyus]

indeed:
Version of game: 2007-10-15
Skin name not found in config file...
OGG Vorbis loading: 5/5 = 100% PASS
Performance testing Sample16bit (14ms for 1 second of 44.1khz stereo audio with 32 sources): 1/1 = 100% PASS
Performance testing SampleAndAdvance16bit (8ms for 1 second of 44.1khz stereo audio with 32 sources): 1/1 = 100% PASS
Performance testing SampleAndAdvanceWithPitch16bit (29ms for 1 second of 44.1khz stereo audio with 32 sources): 1/1 = 100% PASS
Performance testing SampleAndAdvanceWithPitch16bit with 1st order filter (50ms for 1 second of 44.1khz stereo audio with 32 sources): 1/1 = 100% PASS
Sound callback testing: 512/512 = 100% PASS
Sound effects testing: 3/3 = 100% PASS
Sound filter testing: 1/2 = 50% FAIL
Sound management testing: 6/6 = 100% PASS
Sound source testing: 3/3 = 100% PASS
Wave loading 44k s16 c2: 5/5 = 100% PASS
TOTAL: 539/540 = 99.8148% FAIL
Drawable filtering: 4/4 = 100% PASS
Scene node and drawable deletion: 4/4 = 100% PASS
Scene node and drawable management: 6/6 = 100% PASS
Transform into and out of local space: 1/1 = 100% PASS
TOTAL: 15/15 = 100% PASS
Pointer/bipointer allocation/deallocation: 13/13 = 100% PASS
TOTAL: 13/13 = 100% PASS
[---------------- RUNNING TESTS ----------------]
Results: 5 succeeded, 0 failed
[---------------- TESTS FINISHED ---------------]