Update all new Tasks

Task/Sparkline-in-unicode/Elixir/sparkline-in-unicode-1.elixir

@@ -0,0 +1,8 @@
+defmodule RC do
+  def sparkline(str) do
+    values = str |> String.split(~r/(,| )+/)
+                 |> Enum.map(&(elem(Float.parse(&1), 0)))
+    {min, max} = {Enum.min(values), Enum.max(values)}
+    IO.puts Enum.map(values, &(round((&1 - min) / (max - min) * 7 + 0x2581)))
+  end
+end

Task/Sparkline-in-unicode/Elixir/sparkline-in-unicode-2.elixir

@@ -0,0 +1,6 @@
+str1 = "1 2 3 4 5 6 7 8 7 6 5 4 3 2 1"
+str2 = "1.5, 0.5 3.5, 2.5 5.5, 4.5 7.5, 6.5"
+
+RC.sparkline(str1)
+IO.puts "" # newline
+RC.sparkline(str2)