Extra metadata feature(refactoring), loosen url check on AO3, fix auth on castlefans.org.

example.ini

@@ -3,10 +3,20 @@
 
 [defaults]
 ## Some sites also require the user to confirm they are adult for
-## adult content.  In commandline version, this should go in your
-## personal.ini, not defaults.ini.
+## adult content.  Uncomment by removing '#' in front of is_adult.  In
+## commandline version, this should go in your personal.ini, not
+## defaults.ini.
 #is_adult:true
 
+## Don't like the numbers at the start of chapter titles on some
+## sites?  You can use strip_chapter_numbers to strip them off.  Just
+## want to make them all look the same?  Strip them off, then add them
+## back on with add_chapter_numbers.  Don't like the way it strips
+## numbers or adds them back?  See chapter_title_strip_pattern and
+## chapter_title_add_pattern.
+#strip_chapter_numbers:true
+#add_chapter_numbers:true
+
 [epub]
 ## include images from img tags in the body and summary of stories.
 ## Images will be converted to jpg for size if possible.  Images work
@@ -34,7 +44,8 @@
 
 
 ## Most common, I expect will be using this to save username/passwords
-## for different sites.  Here are a few examples.
+## for different sites.  Here are a few examples.  See defaults.ini
+## for the full list.
 
 [www.twilighted.net]
 #username:YourPenname