update misleading documentation for function

[hematthi]

EchelleInstruments.jl/src/neid/io.jl

Lines 109 to 123 in 98d5a94

	"""Create Dict containing filename and default metadata from file."""
	function read_exposure_meter(f::FITS)
	hdr1 = read_header(f[1])
	exptime = hdr1["EXPTIME"]
	λ_range = 38:97
	fiber = 5
	#expmeter_data = read(f["EXPMETER"],t_range,λ_range,fiber)
	expmeter_data = read(f["EXPMETER"]) # ,:,λ_range,fiber)
	t_len = size(expmeter_data,1)
	t_range = 2:(min(round(Int64,exptime)-1,t_len))
	if t_len < floor(Int64,exptime)
	@warn("*** Exposure meter contains fewer readings than floor(EXPTIME) in " * string(f.filename) )
	end
	view(expmeter_data, t_range,λ_range,fiber)
	end

It is not clear what this function is returning... the docstring suggests a dict, but my guess is that it should return an array type (I don't think view works on a dict?)