Improve docs

Author: kipcole9

lib/money.ex

@@ -141,7 +141,7 @@ defmodule Money do
   * `:backend` is any module that includes `use Cldr` and therefore
     is a `Cldr` backend module. The default is `Money.default_backend!/0`.
 
-  * `:separators` is an atom that selects which of the available symbol
+  * `:separators` selects which of the available symbol
     sets should be used when attempting to parse a string into a number.
     The default is `:standard`. Some limited locales have an alternative `:us`
     variant that can be used. See `Cldr.Number.Symbol.number_symbols_for/3`
@@ -310,6 +310,8 @@ defmodule Money do
 
   * `amount` is an integer, float or Decimal
 
+  * `options` is a keyword list of options. See `Money.new/3`.
+
   ## Examples
 
       Money.new!(:XYZZ, 100)

mix.exs

@@ -1,7 +1,7 @@
 defmodule Money.Mixfile do
   use Mix.Project
 
-  @version "5.20.0-dev"
+  @version "5.20.0"
 
   def project do
     [

mix/test_cldr.ex

@@ -7,6 +7,7 @@ defmodule Money.Cldr do
   use Cldr,
     locales: [
       "en",
+      "en-ZA",
       "bn",
       "de",
       "it",