message: Set version to "-beta"
diff: @@ -6,7 +6,7 @@ members = [
  [package]
  name = "stripe-rust" # b.c. stripe and stripe-rs were already taken
  -version = "0.13.0"
  +version = "0.13.0-dev"
  description = "API bindings for the Stripe v1 HTTP API"
  authors = [
  "Anna Baldwin <abaldwin@developers.wyyerd.com>",
  