Added possibility to rename fields on a DataSet.get()
Added possibility to rename fields on a DataSet.get()

Added functionality to extend the fields array, to a fields object,
similar to the type declaration. This makes it possible rename
properies when you get them.

ericvandever/vis,danpaulsmith/vis,Braincompiler/vis,besil/vis,sitexa/vis,antoniodesouza/vis,xchehub/vis,danpaulsmith/vis,danpaulsmith/vis,machinemetrics/vis,vukk/vis,Tooa/vis,felixhayashi/vis,drwebmaker/vis,eflexsystems/vis,pryzm0/vis,chaoallsome/vis,vukk/vis,Tooa/vis,cdjackson/vis,cdjackson/vis,eyko/vis,ricky6982/vis,glampr/vis,drwebmaker/vis,AlexVangelov/vis,bsnote/vis,movestill/vis,amaniak/vis,gpolyn/vis,eyko/vis,marcortw/vis,zallek/vis,samyamirou/vis,movestill/vis,Spencerooni/vis,blackslate/vis,AlexVangelov/vis,blackslate/vis,Spencerooni/vis,nargetdev/vis,antoniodesouza/vis,Braincompiler/vis,Spencerooni/vis,besil/vis,gpolyn/vis,nargetdev/vis,ericvandever/vis,yotamberk/vis,PSyton/vis,Braincompiler/vis,vukk/vis,chaoallsome/vis,glampr/vis,zallek/vis,PSyton/vis,eflexsystems/vis,amaniak/vis,felixhayashi/vis,kamilik26/vis,pryzm0/vis,bsnote/vis,samyamirou/vis,besil/vis,kamilik26/vis,yotamberk/vis,sitexa/vis,cdjackson/vis,marcortw/vis,machinemetrics/vis,xchehub/vis,PSyton/vis,ricky6982/vis,amaniak/vis,movestill/vis