[input:type] Use extends option in input modules

Use the new extends options in input modules, so
that @wikidata/url, @wikidata/api and @doi/api
are now subtypes of @else/url, as they are.

See d2d68a2
See d55ed0c
Fixes #104

src/parse/modules/doi/index.js

@@ -12,7 +12,8 @@ export const parsers = {id, api, json, type}
 export const types = {
   '@doi/api': {
     dataType: 'String',
-    predicate: /^\s*(https?:\/\/(?:dx\.)?doi\.org\/(10.\d{4,9}\/[-._;()/:A-Z0-9]+))\s*$/i
+    predicate: /^\s*(https?:\/\/(?:dx\.)?doi\.org\/(10.\d{4,9}\/[-._;()/:A-Z0-9]+))\s*$/i,
+    extends: '@else/url'
   },
   '@doi/id': {
     dataType: 'String',

src/parse/modules/wikidata/index.js

@@ -22,11 +22,13 @@ export const types = {
   },
   '@wikidata/api': {
     dataType: 'String',
-    predicate: /^(https?:\/\/(?:www\.)?wikidata.org\/w\/api\.php(?:\?.*)?)$/
+    predicate: /^(https?:\/\/(?:www\.)?wikidata.org\/w\/api\.php(?:\?.*)?)$/,
+    extends: '@else/url'
   },
   '@wikidata/url': {
     dataType: 'String',
-    predicate: /\/(Q\d+)(?:[#?/]|\s*$)/
+    predicate: /\/(Q\d+)(?:[#?/]|\s*$)/,
+    extends: '@else/url'
   },
   '@wikidata/array': {
     dataType: 'Array',