Revision history for C and Perl extension of nfdump.

1.04 2014-11-17
	- perl: added example examples/example2.pl 
	- perl: added test 08-aggreg-sort.t 
	- 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.

1.03 2014-06-23
	- c: headers includes in the examples
	- c: code preparation for aggregation and sorting
	- perl: test for pure read withour record processing (-G)

1.02 2014-06-18
	- c: added structure lnf_brec1_t containing most commonly used records 
	- c: examples updated to use lnf_brec1_t
	- c: examples updated to be usable for benchmarking 
	- perl: updated build system (more resistant)
	- perl: benchmarking of c code added as the part of perl testing 

1.01 2014-06-15
	- source code strcitly separated into autonomous 
	  package (libnf-xxx, universal C API) and perl 
	  Net::NfDump module that is placed on top of the C API
	- resedigned build system 
	- prepared for new features (aggregation, sorting, ...) 
	- changes inspired by Vasek Bartos and his libnfdump code 

0.14 2014-04-24
	- examples updated to use last version of Net::IP::LPM

0.13 2014-04-20
	- adjusted to nfdump 1.6.12
	- support for new record type introdouced by nfdump 1.6.12
	- transparently reads record types from previous nfdump 
	- created files are always with the new record type 
	- !! files created by this version mus be read by nfdump >= 1.6.12
	- support for new fields (ingress_vrfid, egress_vrfid, event_flag
	  block_start, block_end, block_step, block_size)
	- flow_start item changed to event_time 
	- fw_event removed (use fw_xevent instead) 
	- doc extended with info about aggregation 

0.11 2013-11-26
	- adjusted to nfdump 1.6.11

0.10 2013-09-12
	- decreased test length 

0.09 2013-08-13
	- adjusted to nfdump 1.6.10p1

0.08 2013-06-06
	- removed bug in TimeWindowStart, thanks to Pavel Sejnoha

0.07 2013-05-21
	- removed bug in examples, thanks to James Deaton 
	- updated to nfdump 1.6.10

0.05 2013-05-03
	- language corrections

0.05 2013-03-16
	- silently skip known (but not supported) blocks 
	- example added (update AS info)

0.04 2013-03-03
	- the first stable version 

0.03_02 2013-03-03
	- the version of nfdump updated to 1.6.9

0.03_01 2013-02-28
	- NEL, NSEL support added 
	- a few bugs removed

0.02_05 2013-02-26
	- example1.pl added 
	- documenation updated 

0.02_04 2013-02-24
	- a few bugs removed 
	- clonerow added 
	- InputFiles and Fields can by handled as a reference to list or comma separated list 

0.02_01 2013-02-11
	- hasharray functions added
	- performance optimalisation (4x faster) 

0.01_06 2013-01-20
	- nfdump source codes added into distribution 
	- fixes for libnf on OpenBSD apllied

0.01_04 2013-01-15
	- extra compilation of nfdump utility 

0.01_04 2013-01-14
	- removed dependency on lex/flex during compilation 

0.01_03  2013-01-12
	- fixes for multiplaform compilation 

0.01_02  2013-01-10 
	- documentation update 

0.01_01  2012-11-30 
	- initial version 

