Change documented type of various settings

- DEFUALT_METADATA, tuple -> dictionary
- OUTPUT_RETENTION, tuple -> list
- JINJA_FILTERS, list -> dictionary
- DIRECT_TEMPLATES, tuple -> list

pelican/settings.py

@@ -61,7 +61,7 @@ DEFAULT_CONFIG = {
     'NEWEST_FIRST_ARCHIVES': True,
     'REVERSE_CATEGORY_ORDER': False,
     'DELETE_OUTPUT_DIRECTORY': False,
-    'OUTPUT_RETENTION': (),
+    'OUTPUT_RETENTION': [],
     'ARTICLE_URL': '{slug}.html',
     'ARTICLE_SAVE_AS': '{slug}.html',
     'ARTICLE_ORDER_BY': 'slug',
@@ -97,9 +97,9 @@ DEFAULT_CONFIG = {
     'DEFAULT_LANG': 'en',
     'TAG_CLOUD_STEPS': 4,
     'TAG_CLOUD_MAX_ITEMS': 100,
-    'DIRECT_TEMPLATES': ('index', 'tags', 'categories', 'authors', 'archives'),
+    'DIRECT_TEMPLATES': ['index', 'tags', 'categories', 'authors', 'archives'],
     'EXTRA_TEMPLATES_PATHS': [],
-    'PAGINATED_DIRECT_TEMPLATES': ('index', ),
+    'PAGINATED_DIRECT_TEMPLATES': ['index'],
     'PELICAN_CLASS': 'pelican.Pelican',
     'DEFAULT_DATE_FORMAT': '%a %d %B %Y',
     'DATE_FORMATS': {},
@@ -110,7 +110,7 @@ DEFAULT_CONFIG = {
     'LOCALE': [''],  # defaults to user locale
     'DEFAULT_PAGINATION': False,
     'DEFAULT_ORPHANS': 0,
-    'DEFAULT_METADATA': (),
+    'DEFAULT_METADATA': {},
     'FILENAME_METADATA': '(?P<date>\d{4}-\d{2}-\d{2}).*',
     'PATH_METADATA': '',
     'EXTRA_PATH_METADATA': {},