add a unit test for counters as floats
add a unit test for counters as floats

this is just to clarify that counters can be floats. This might not make sense
in the general case, but we are liberal in what we accept. And even if this
ends up being a problem, we at least have a unit test to document it.

ShalomCohen/statsd,ngpestelos/statsd,ShalomCohen/statsd,jmptrader/statsd,jxqlovejava/statsd,Charlesdong/statsd,MichaelLiZhou/statsd,tuxinaut/statsd,roflmao/statsd,tuxinaut/statsd,ShalomCohen/statsd,roflmao/statsd,jmptrader/statsd,roflmao/statsd,ShalomCohen/statsd,ngpestelos/statsd,jxqlovejava/statsd,ShalomCohen/statsd,wyzssw/statsd,wyzssw/statsd,jasonchaffee/statsd,ShalomCohen/statsd,tuxinaut/statsd,cit-lab/statsd,tuxinaut/statsd,bmhatfield/statsd,jmptrader/statsd,etsy/statsd,pagerinc/statsd,roflmao/statsd,bartoszcisek/statsd,jasonchaffee/statsd,cit-lab/statsd,jxqlovejava/statsd,cit-lab/statsd,MichaelLiZhou/statsd,bmhatfield/statsd,roflmao/statsd,roflmao/statsd,Charlesdong/statsd,pagerinc/statsd,ShalomCohen/statsd,rex/statsd,ScottKaiGu/statsd,roflmao/statsd,ScottKaiGu/statsd,jmptrader/statsd,ngpestelos/statsd,etsy/statsd,jxqlovejava/statsd,crashlytics/statsd,crashlytics/statsd,easybiblabs/statsd,jmptrader/statsd,MichaelLiZhou/statsd,easybiblabs/statsd,jxqlovejava/statsd,jmptrader/statsd,cit-lab/statsd,easybiblabs/statsd,tuxinaut/statsd,jxqlovejava/statsd,jxqlovejava/statsd,roflmao/statsd,cit-lab/statsd,cit-lab/statsd,cit-lab/statsd,roflmao/statsd,jmptrader/statsd,ShalomCohen/statsd,jasonchaffee/statsd,tuxinaut/statsd,bartoszcisek/statsd,jmptrader/statsd,etsy/statsd,bmhatfield/statsd,jxqlovejava/statsd,crashlytics/statsd,wyzssw/statsd,rex/statsd,rex/statsd,tuxinaut/statsd,bartoszcisek/statsd,Charlesdong/statsd,cit-lab/statsd,tuxinaut/statsd,cit-lab/statsd,pagerinc/statsd,jxqlovejava/statsd,jmptrader/statsd,ScottKaiGu/statsd,tuxinaut/statsd,ShalomCohen/statsd