Throw value to see what's going on on Linux

Author: JimBobSquarePants

src/ImageSharp.Web/Commands/Converters/ColorConverter.cs

@@ -44,7 +44,7 @@ public object ConvertFrom(CommandParser parser, CultureInfo culture, string valu
             // Numeric r,g,b - r,g,b,a
             char separator = culture.TextInfo.ListSeparator[0];
 
-            if (value.Contains(separator.ToString()))
+            if (value.IndexOf(separator) != -1)
             {
                 string[] components = value.Split(separator);
 

src/ImageSharp.Web/Commands/Converters/SimpleCommandConverter{T}.cs

@@ -31,12 +31,19 @@ public object ConvertFrom(
             Type t = typeof(T);
             Type u = Nullable.GetUnderlyingType(t);
 
-            if (u != null)
+            try
             {
-                return (T)Convert.ChangeType(value, u, culture);
-            }
+                if (u != null)
+                {
+                    return (T)Convert.ChangeType(value, u, culture);
+                }
 
-            return (T)Convert.ChangeType(value, t, culture);
+                return (T)Convert.ChangeType(value, t, culture);
+            }
+            catch (Exception)
+            {
+                throw new Exception(value);
+            }
         }
     }
 }