Revert 3856d43 & rename CommandParameter.Description to Summary

src/Discord.Net.Commands/Command.cs

@@ -103,11 +103,11 @@ namespace Discord.Commands
                     throw new InvalidOperationException("Remainder parameters must be the last parameter in a command.");
 
                 string name = parameter.Name;
-                string description = parameter.GetCustomAttribute<DescriptionAttribute>()?.Text;
+                string summary = parameter.GetCustomAttribute<DescriptionAttribute>()?.Text;
                 bool isOptional = parameter.IsOptional;
                 object defaultValue = parameter.HasDefaultValue ? parameter.DefaultValue : null;
 
-                paramBuilder.Add(new CommandParameter(name, description, type, reader, isOptional, isRemainder, isMultiple, defaultValue));
+                paramBuilder.Add(new CommandParameter(name, summary, type, reader, isOptional, isRemainder, isMultiple, defaultValue));
             }
             return paramBuilder.ToImmutable();
         }

src/Discord.Net.Commands/CommandParameter.cs

@@ -10,17 +10,17 @@ namespace Discord.Commands
         private readonly TypeReader _reader;
 
         public string Name { get; }
-        public string Description { get; }
+        public string Summary { get; }
         public bool IsOptional { get; }
         public bool IsRemainder { get; }
         public bool IsMultiple { get; }
         public Type Type { get; }
         internal object DefaultValue { get; }
 
-        public CommandParameter(string name, string description, Type type, TypeReader reader, bool isOptional, bool isRemainder, bool isMultiple, object defaultValue)
+        public CommandParameter(string name, string summary, Type type, TypeReader reader, bool isOptional, bool isRemainder, bool isMultiple, object defaultValue)
         {
             Name = name;
-            Description = description;
+            Summary = summary;
             Type = type;
             _reader = reader;
             IsOptional = isOptional;

src/Discord.Net.Commands/CommandService.cs

@@ -16,7 +16,8 @@ namespace Discord.Commands
         private readonly ConcurrentDictionary<Type, TypeReader> _typeReaders;
         private readonly CommandMap _map;
 
-        public ILookup<Module, Command> Commands => _modules.SelectMany(x => x.Value.Commands).ToLookup(x => x.Module);
+        public IEnumerable<Module> Modules => _modules.Select(x => x.Value);
+        public IEnumerable<Command> Commands => _modules.SelectMany(x => x.Value.Commands);
 
         public CommandService()
         {