Merge pull request #355 from AntiTcb/fix/enumTypeReader

Values in ImmutableDictionaries were strings rather than enumType

src/Discord.Net.Commands/Readers/EnumTypeReader.cs

@@ -31,13 +31,13 @@ namespace Discord.Commands
 
             var byNameBuilder = ImmutableDictionary.CreateBuilder<string, object>();
             var byValueBuilder = ImmutableDictionary.CreateBuilder<T, object>();
-            
+
             foreach (var v in Enum.GetNames(_enumType))
-            {
-                byNameBuilder.Add(v.ToLower(), v);
-                var parsedValue = (T)Enum.Parse(_enumType, v);
-                if (!byValueBuilder.ContainsKey(parsedValue))
-                    byValueBuilder.Add(parsedValue, v);
+            {      
+                var parsedValue = Enum.Parse(_enumType, v);
+                byNameBuilder.Add(v.ToLower(), parsedValue);
+                if (!byValueBuilder.ContainsKey((T)parsedValue))
+                    byValueBuilder.Add((T)parsedValue, parsedValue);
             }
 
             _enumsByName = byNameBuilder.ToImmutable();