Cleaned up params implementation

src/Discord.Net.Commands/CommandParameter.cs

@@ -1,11 +1,9 @@
 using System;
 using System.Diagnostics;
-using System.Reflection;
 using System.Threading.Tasks;
 
 namespace Discord.Commands
 {
-    //TODO: Add support for Multiple
     [DebuggerDisplay(@"{DebuggerDisplay,nq}")]
     public class CommandParameter
     {
@@ -15,21 +13,19 @@ namespace Discord.Commands
         public string Description { get; }
         public bool IsOptional { get; }
         public bool IsRemainder { get; }
-        public bool IsParams { get; }
+        public bool IsMultiple { get; }
         public Type Type { get; }
-        public Type UnderlyingType { get; }
         internal object DefaultValue { get; }
 
-        public CommandParameter(string name, string description, Type type, Type underlyingType, TypeReader reader, bool isOptional, bool isRemainder, bool isParams, object defaultValue)
+        public CommandParameter(string name, string description, Type type, TypeReader reader, bool isOptional, bool isRemainder, bool isMultiple, object defaultValue)
         {
             Name = name;
             Description = description;
             Type = type;
-            UnderlyingType = underlyingType;
             _reader = reader;
             IsOptional = isOptional;
             IsRemainder = isRemainder;
-            IsParams = isParams;
+            IsMultiple = isMultiple;
             DefaultValue = defaultValue;
         }