Implemented getDemoDataSets function into bar chart
Implemented getDemoDataSets function into bar chart

grepman/datawrapper,motherjones/datawrapper,robmcloughlin/Insights,qqming113/datawrapper,datafunk/datawrapper,washingtonpost/datawrapper,rubensfernando/datawrapper,devinit/datawrapper,rubensfernando/datawrapper,grepman/datawrapper,motherjones/datawrapper,devinit/datawrapper,robmcloughlin/Insights,qqming113/datawrapper,rubensfernando/datawrapper,plusgut/datawrapper,rubensfernando/datawrapper,qqming113/datawrapper,kendrick-k/datawrapper,datafunk/datawrapper,shelsonjava/datawrapper,ThuyNTran/datawrapper,motherjones/datawrapper,shelsonjava/datawrapper,robmcloughlin/Insights,plusgut/datawrapper,motherjones/datawrapper,washingtonpost/datawrapper,shelsonjava/datawrapper,qqming113/datawrapper,elaOnMars/datawrapper,datafunk/datawrapper,kendrick-k/datawrapper,ThuyNTran/datawrapper,qqming113/datawrapper,kendrick-k/datawrapper,datafunk/datawrapper,grepman/datawrapper,elaOnMars/datawrapper,kendrick-k/datawrapper,elaOnMars/datawrapper,grepman/datawrapper,ThuyNTran/datawrapper,grepman/datawrapper,qqming113/datawrapper,grepman/datawrapper,elaOnMars/datawrapper,elaOnMars/datawrapper,devinit/datawrapper,datafunk/datawrapper,ThuyNTran/datawrapper,plusgut/datawrapper,shelsonjava/datawrapper,devinit/datawrapper,rubensfernando/datawrapper,shelsonjava/datawrapper,motherjones/datawrapper,robmcloughlin/Insights,robmcloughlin/Insights,devinit/datawrapper,ThuyNTran/datawrapper,shelsonjava/datawrapper,plusgut/datawrapper,kendrick-k/datawrapper,washingtonpost/datawrapper,washingtonpost/datawrapper,datafunk/datawrapper,kendrick-k/datawrapper,devinit/datawrapper,washingtonpost/datawrapper,ThuyNTran/datawrapper,elaOnMars/datawrapper,motherjones/datawrapper,washingtonpost/datawrapper