function getEdgeLength(args...; Tree::Array{SubString{String},1} = [],
	Start::Int = Int[])
	u = Start + 1
	stop_char = [",", ")", ";"]
  edge_length = Float64[]
	while countnz(Tree[u] .== stop_char) == 0
		u = u + 1
		edge_length = parse(join(Tree[(Start + 1):(u - 1)]))
	end
	lengthStart = (edge_length, u + Start)
	lengthStart = Dict(zip(["edge_length", "end"], lengthStart))
	return lengthStart
end
