perl: aggregation and sorting added into Net::NfDump (Aggreg => 1 and SortBy => <field> attributes)
c: lnf_field_t structure extended with default sort and aggregation order
c: added example lnf_ex04_threads.c
c: threads support added for paralel processing flow records in aggregation. Code not released for public, the public version works properly only in sigle thread enviroment.
c: added example lnf_ex03_aggreg.c
c: added lnf_mem object with aggregation and sorting capability
c: lnf_rec_fget, lnf_rec_fset incerased prtformance (30%) Thanks to Vasek Bartos.