Update CHANGELOG.
Update CHANGELOG.

onyxfish/csvkit,nriyer/csvkit,haginara/csvkit,wjr1985/csvkit,themiurgo/csvkit,bmispelon/csvkit,KarrieK/csvkit,jpalvarezf/csvkit,archaeogeek/csvkit,unpingco/csvkit,bradparks/csvkit__query_join_filter_CSV_cli,doganmeh/csvkit,Tabea-K/csvkit,reubano/csvkit,aequitas/csvkit,arowla/csvkit,gepuro/csvkit,kyeoh/csvkit,dannguyen/csvkit,barentsen/csvkit,matterker/csvkit,Jobava/csvkit,wireservice/csvkit,snuggles08/csvkit,tlevine/csvkit,elcritch/csvkit