Sort remaining nondeterministc sets of values

Closes GH-1516

plugins/Protector/config.py

@@ -50,6 +50,7 @@ conf.registerChannelValue(Protector, 'enable',
 
 class ImmuneNicks(conf.ValidNicks):
     List = ircutils.IrcSet
+    sorted = True
 
 conf.registerChannelValue(Protector, 'immune',
     ImmuneNicks([], _("""Determines what nicks the bot will consider to

plugins/RSS/config.py

@@ -43,7 +43,7 @@ def configure(advanced):
     conf.registerPlugin('RSS', True)
 
 
-class FeedNames(registry.SpaceSeparatedListOfStrings):
+class FeedNames(registry.SpaceSeparatedSetOfStrings):
     List = callbacks.CanonicalNameSet
 
 class FeedItemSortOrder(registry.OnlySomeStrings):

plugins/Relay/config.py

@@ -50,10 +50,12 @@ def configure(advanced):
 class Ignores(registry.SpaceSeparatedListOf):
     List = ircutils.IrcSet
     Value = conf.ValidHostmask
+    sorted = True
     
 class Networks(registry.SpaceSeparatedListOf):
     List = ircutils.IrcSet
     Value = registry.String
+    sorted = True
 
 Relay = conf.registerPlugin('Relay')
 conf.registerChannelValue(Relay, 'color',

plugins/Services/config.py

@@ -64,6 +64,7 @@ class ValidNickOrEmptyString(registry.String):
 
 class ValidNickSet(conf.ValidNicks):
     List = ircutils.IrcSet
+    sorted = True
 
 Services = conf.registerPlugin('Services')
 conf.registerNetworkValue(Services, 'nicks',

src/ircdb.py

@@ -1314,7 +1314,7 @@ def checkCapabilities(hostmask, capabilities, requireAll=False):
 # supybot.capabilities
 ###
 
-class SpaceSeparatedListOfCapabilities(registry.SpaceSeparatedListOfStrings):
+class SpaceSeparatedListOfCapabilities(registry.SpaceSeparatedSetOfStrings):
     __slots__ = ()
     List = CapabilitySet