Gadfly bug

test.jl

using Gadfly
using DataFrames
using Compose
using Datetime

x = Array(Any,100);

for i=100:-1:1
	x[100-i+1] = string(today()-day(-1*(100-i))) 
end

y = sort!(rand(100)*100)


df = DataFrame(x=x,y=y,signal=repmat(["Signal"],100))

p = plot(df,x="x",y="y",color="signal",Geom.line,Theme(key_position=:right,colorkey_swatch_shape=:circle))

draw(SVG("Test.svg",8inch,6inch),p)