PCL doesn't support string.Contains(char)

Author: mythz

src/ServiceStack.Text/StringExtensions.cs

@@ -590,7 +590,7 @@ public static string ToPascalCase(this string value)
         {
             if (string.IsNullOrEmpty(value)) return value;
 
-            if (value.Contains('_'))
+            if (value.IndexOf('_') >= 0)
             {
                 var parts = value.Split('_');
                 var sb = new StringBuilder();