Map is a es6 only feature. Let's use good old dictionary
Map is a es6 only feature. Let's use good old dictionary

Fixes #126

hai8108/augmented-traffic-control,drptbl/augmented-traffic-control,yershalom/augmented-traffic-control,venkateshdaram434/augmented-traffic-control,venkateshdaram434/augmented-traffic-control,iver333/augmented-traffic-control,shinyvince/augmented-traffic-control,iver333/augmented-traffic-control,zfjagann/augmented-traffic-control,venkateshdaram434/augmented-traffic-control,liwangdong/augmented-traffic-control,venkateshdaram434/augmented-traffic-control,Endika/augmented-traffic-control,liwangdong/augmented-traffic-control,guker/augmented-traffic-control,yershalom/augmented-traffic-control,liwangdong/augmented-traffic-control,iver333/augmented-traffic-control,guker/augmented-traffic-control,shinyvince/augmented-traffic-control,iver333/augmented-traffic-control,hai8108/augmented-traffic-control,misfitdavidl/augmented-traffic-control,drptbl/augmented-traffic-control,duydb2/ZTC,drptbl/augmented-traffic-control,biddyweb/augmented-traffic-control,biddyweb/augmented-traffic-control,Endika/augmented-traffic-control,yershalom/augmented-traffic-control,venkateshdaram434/augmented-traffic-control,linearregression/augmented-traffic-control,zfjagann/augmented-traffic-control,misfitdavidl/augmented-traffic-control,guker/augmented-traffic-control,Endika/augmented-traffic-control,guker/augmented-traffic-control,duydb2/ZTC,misfitdavidl/augmented-traffic-control,biddyweb/augmented-traffic-control,biddyweb/augmented-traffic-control,liwangdong/augmented-traffic-control,liwangdong/augmented-traffic-control,shinyvince/augmented-traffic-control,shinyvince/augmented-traffic-control,linearregression/augmented-traffic-control,hai8108/augmented-traffic-control,yershalom/augmented-traffic-control,misfitdavidl/augmented-traffic-control,drptbl/augmented-traffic-control,duydb2/ZTC,duydb2/ZTC,linearregression/augmented-traffic-control,Endika/augmented-traffic-control,zfjagann/augmented-traffic-control,misfitdavidl/augmented-traffic-control,shinyvince/augmented-traffic-control,hai8108/augmented-traffic-control,guker/augmented-traffic-control,linearregression/augmented-traffic-control,hai8108/augmented-traffic-control,Endika/augmented-traffic-control,yershalom/augmented-traffic-control,zfjagann/augmented-traffic-control,linearregression/augmented-traffic-control,biddyweb/augmented-traffic-control,drptbl/augmented-traffic-control,iver333/augmented-traffic-control,zfjagann/augmented-traffic-control,duydb2/ZTC