20130926 (1132 prefixes)
  fixed documentation
  new format 'json' for JSON-LD

20130924 (1132 prefixes)
  added: alchemy,archdesc,cosmo,cro,dbpo,dt,frbrer,frsad,gndo,icane,ludo,oj,oliasystem,orca,saif,sdmxa,sdmxd,stream,tsioc,twaapi,wd,who,wikidata
  changed: agrelon,cnt,co,sdo,yago

  made REVERSE reproducible
  improved command line client

20130816 (1109 prefixes)
  added: fea,penis,scms,sdo,wapp

  improved update process
  remove .bak files

20130812 (1104 prefixes)
  added: lldr,up
  changed: copyright
20130802 (1102 prefixes)
  added: algo,bsb,centrifuge,cex,cf,cidoc,crtv,dbc,dbnary,dbpr,dbt,dctypes,dis,dvia,ebu,ecb,ecpo,exterms,frapo,geof,geofla,gfo,hifm,httpm,iot,itsrdf,kbp,l4lod,laabs,locwd,mods,namespaces,nif,nsl,odcs,oecd,omn,opmw,oslc,pam,penn,pkgsrc,ple,poste,premis,prolog,qrl,qvoc,radion,rdarole,rdf123,reve,rlno,rlnr,rlog,roevo,roterms,sci,sem,site,stac,stats,wf4ever,wfm,wfs,wikterms,wl,won,worldbank
  changed: b2bo,biocore,cito,dita,dso,lgd,lv,oa,osr,pr,req,ro,voaf

  fixed bug in test of RDF::NS::Trine (https://github.com/nichtich/RDF-NS/issues/4)
  rdfns now emits plain URLs without format

20130402 (1033 prefixes)
  added: dcm,gnvc,occult,pizza,role
  changed: w3po

  fixed bug in PREFIXES, caused by returning from an each-loop

20130327 (1028 prefixes)
  added: agls,agrelon,aigp,aos,api,being,bf,bif,biotop,biro,cb,cgov,city,cold,coll,comm,coun,cpa,crsw,csp,ctorg,dbtont,dcite,dcndl,deo,dl,doco,dqm,dr,drm,ds,dso,ecos,edgar,elec,emp,ep,fcp,fowl,gadm,gastro,geod,geosp,gnm,graffle,graves,gso,infor,inno,iol,itsmo,lcy,lh,lingvo,lmm1,lmm2,lsc,mads,mds,meb,mil,mime,moac,mrel,msr,mvco,ntag,nyt,obsm,odapp,odpart,odv,oecc,ontopic,opl,opmo,oprovo,ordf,osadm,osgeom,osp,osr,osspr,ostop,part,passim,prvt,pso,ptop,pwo,quty,raul,rdafrbr,rdag1,rdag3,rdarel,semio,seq,situ,snarm,spt,swpo,tao,te,tis,trait,turismo,tvc,vocab,vrank,wlo,wsl,xmp,zoomaterms
  changed: acm,br,crm,disco,dita,food,idemo,lib,ps,s2s,sc,sec
20130208 (914 prefixes)
  added: adms,aersv,agg,apivc,arpfo,asn,atomrdf,b2bo,bd,bing,biopax,bne,bp,bte,cidoccrm,daisy,dce,dco,dcr,disco,dita,dnb,dsp,dssn,ekaw,ens,eseduc,fd,food,fos,gawd,genea,geocontext,gsp,gxa,health,hgnc,icaltzd,idemo,igeo,jjd,kdo,l4a,laposte,ldp,lex,lyou,marshall,md,nxp,oa,oarj,oax,osn,owltime,particip,person,photoshop,pingback,prefix,pronom,qa,qud,rad,rov,ssso,strdf,tisc,uco,viaf,visit,w3po,wn20,xmls
  changed: cv,geoes,media,metalex,nfo,prv,xro

20120917 (840 prefixes)
  added: category,ero,interval

20120905 (837 prefixes)
  added: flow,osmsemnet,wfprov

  new subclass RDF::NS::URIS to get URI objects

20120829 (834 prefixes)
  added: mpeg7,myprefix,ngeoi,okg

20120827 (830 prefixes)
  added:   acco,admssw,aers,arg,br,cao,cogs,dive,dpl,eprints,eumida,germplasm,
           intervals,lctr,lemon,library,life,marl,muni,ncbitaxon,no,npgd,npgg,
           npgx,open,pav,pkmn,pml,poder,pol,r4ta,rda,rdagr1,rssynd,sdgp,set,sgv,
           spif,tcga
  changed: acm,crm,prism,prv,s4ac

  new methods PREFIX,PREFIXES, and REVERSE

20120521 (791 prefixes)
  added:   d2r,efo,enhancer,fcm,fise,fl,fls,oboe,pccz,rdrel,rec54

20120426 (780 prefixes)
  added:   aerols,carfo,cerif,cheminf,cts2,example,func,geom,gldp,goef,hg,ipad,
           isbd,kupkb,lexvo,lr,lv,marcrel,metalex,mohammad,npg,nsogi,oac,ogorg,
           omv,onssprel,ospost,pay,pf,pne,prism21,pro,prviv,ql,r2rml,rating,
           recipe,scufl2,ssn,vapour,vsws,wbc,wbp,wkd,wp,wscaim,xkos
  changed: linkedct,nfo,pc,prov,xhtml

20120124 (733 prefixes)
  added:   arecipe,calli,cis,datafaqs,db,dwc,ends,eunis,georss,identity,italy,
           jita,moby,np,ocd,places,pna,protegedc,swpatho,transit,voidp,vsr,
           wfdesc,wikipedia
  changed: daiaserv,media,nfo

20111208 (716 prefixes)
  added:   calli,dwc,eunis,georss,pna,swpatho,voidp

  introduced blank nodes in RDF::NS::Trine
  extended command line tool to expand QNames

20111124 (709 prefixes)
  added:   gnd,grs,htir,infosys,muto,omapi,prf,webbox
  changed: commerce
  removed: uri

  modified command line tool option syntax

20111102 (702 prefixes) 
  new command line tool 'rdfns'
  added:   vsw

20111031 (701 prefixes)
  first release at CPAN
  added:   daiaserv,vvo

20111028
  first full-featured version