Fix PCL builds

Author: mythz

src/ServiceStack.Text/CsvReader.cs

@@ -118,7 +118,7 @@ internal static void Reset()
             var isDataContract = typeof(T).IsDto();
             foreach (var propertyInfo in TypeConfig<T>.Properties)
             {
-                if (!propertyInfo.CanWrite || propertyInfo.GetSetMethod() == null) continue;
+                if (!propertyInfo.CanWrite || propertyInfo.SetMethod() == null) continue;
                 if (!TypeSerializer.CanCreateFromString(propertyInfo.PropertyType)) continue;
 
                 var propertyName = propertyInfo.Name;

src/ServiceStack.Text/CsvSerializer.cs

@@ -498,7 +498,7 @@ public static T ConvertFrom(object results)
                 return (T)results;
             }
 
-            foreach (var ci in typeof(T).GetConstructors())
+            foreach (var ci in typeof(T).GetAllConstructors())
             {
                 var ciParams = ci.GetParameters();
                 if (ciParams.Length == 1)

src/ServiceStack.Text/ReflectionExtensions.cs

@@ -892,6 +892,15 @@ public static ConstructorInfo GetEmptyConstructor(this Type type)
 #endif
         }
 
+        public static ConstructorInfo[] GetAllConstructors(this Type type)
+        {
+#if (NETFX_CORE || PCL)
+            return type.GetTypeInfo().DeclaredConstructors;
+#else
+            return type.GetConstructors();
+#endif
+        }
+
         internal static PropertyInfo[] GetTypesPublicProperties(this Type subType)
         {
 #if (NETFX_CORE || PCL)