05.07.11: Changed long unique ID format to AAA+BBB+CCCC in order to remove 
ambiguities in cross-identificaton with SDSS DR8 catalogue.

27.02.11: 
Corrected error in readme files. In scl_gf_XXXX_YYYYY.dat supercluster galaxy files, 
column numbers (4 and 5) for observed and weigthed luminosities were swapped.