Case insensitive sorting

shards_of_power.rb

@@ -165,7 +165,7 @@ class ShardsOfPower
 
 			start_section "Credits"
 
-			spell_authors = spells.collect { |spell| spell.authors }.flatten.uniq.sort
+			spell_authors = spells.collect { |spell| spell.authors }.flatten.uniq.sort { |a, b| b.downcase <=> a.downcase }
 
 			pdf.text "The following users have contributed to Shards of Power, in alphabetical order: #{spell_authors.to_list}"
 		end
@@ -359,4 +359,4 @@ class ShardsOfPower
 end
 
 shards_of_power = ShardsOfPower.new
-shards_of_power.generate
+shards_of_power.generate