[deviantart] improve public-private token switching

- rename option to `prefer-public`
- now also works for galleries with less than 24 items

docs/configuration.rst

@@ -333,6 +333,23 @@ Description Download full-sized original images if available.
 =========== =====
 
 
+extractor.deviantart.prefer-public
+----------------------------------
+=========== =====
+Type        ``bool``
+Default     ``false``
+Description Call API endpoints with a public access token first
+            and only switch to a private access token if deviations are missing
+            (i.e. they are only visible to logged in users).
+
+            This option only has an effect when using a `refresh token`__
+            and tries to minimize the amount of API calls with private access
+            tokens, as they have a much lower rate limit than public ones.
+
+            __ extractor.deviantart.refresh-token_
+=========== =====
+
+
 extractor.deviantart.refresh-token
 ----------------------------------
 =========== =====
@@ -346,27 +363,10 @@ Description The ``refresh_token`` value you get from linking your
 =========== =====
 
 
-extractor.deviantart.try-public
--------------------------------
-=========== =====
-Type        ``bool``
-Default     ``false``
-Description Try accessing a user's deviations with a public access token first
-            and only switch to a private access token if deviations are
-            detected as missing (i.e. they are only visible to logged in users).
-
-            This option only has an effect when using a `refresh token`__
-            and tries to minimize the amount of API calls with private access
-            tokens, as they have a much lower rate limit than public ones.
-
-            __ extractor.deviantart.refresh-token_
-=========== =====
-
-
 extractor.deviantart.wait-min
 -----------------------------
 =========== =====
-Type        ``int``
+Type        ``integer``
 Default     ``0``
 Description Minimum wait time in seconds before API requests.