Add Series for sites that support it. twcs/twrt/tw default to not collect it--

they (ab)use 'series' as reading lists/user collections. Fix url SIYE pattern &
metadata.

plugin-example.ini

@@ -7,11 +7,23 @@
 ## personal.ini, not defaults.ini.
 #is_adult:true
 
+## Try to collect series name and number of this story in series.
+## Some sites (ab)use 'series' for reading lists and personal
+## collections.  This lets us turn it on and off by site without
+## keeping a lengthy titlepage_entries per site and prevents it
+## updating in the plugin.
+## Turn off in [defaults] or [overrides] to prevent all sites from
+## updating series column.
+## default is true
+#collect_series: false
+
 ## Most common, I expect will be using this to save username/passwords
 ## for different sites.
 [www.twilighted.net]
 #username:YourPenname
 #password:YourPassword
+## default is false
+#collect_series: true
 
 [www.ficwad.com]
 #username:YourUsername
@@ -20,6 +32,8 @@
 [www.twiwrite.net]
 #username:YourName
 #password:yourpassword
+## default is false
+#collect_series: true
 
 [www.adastrafanfic.com]
 ## Some sites do not require a login, but do require the user to
@@ -30,6 +44,8 @@
 #username:YourName
 #password:yourpassword
 #is_adult:true
+## default is false
+#collect_series: true
 
 [www.fictionalley.org]
 #is_adult:true
@@ -53,3 +69,6 @@
 ## This section will override anything in the system defaults or other
 ## sections here.
 [overrides]
+## default varies by site.  Set true here to force all sites to
+## collect series.
+#collect_series: true