Merge 2a1a642 into 25193da

.travis.yml

@@ -1,5 +1,6 @@
 language: ruby
 rvm:
+  - 2.5.0
   - 2.4.0
   - 2.3.0
   - 2.2.2

lib/flexirest/base_without_validation.rb

@@ -12,11 +12,6 @@ class BaseWithoutValidation
     attr_accessor :_etag
     attr_accessor :_headers
 
-    instance_methods.each do |m|
-      next unless %w{display presence load require hash untrust trust freeze method enable_warnings with_warnings suppress capture silence quietly debugger breakpoint}.map(&:to_sym).include? m
-      undef_method m
-    end
-
     def initialize(attrs={})
       @attributes = {}
       @dirty_attributes = Hash.new

spec/lib/ruby_core_spec.rb

@@ -0,0 +1,12 @@
+require 'spec_helper'
+
+class EmptyExample < Flexirest::BaseWithoutValidation
+  whiny_missing true
+end
+
+describe Flexirest::BaseWithoutValidation do
+  it 'should support hash resolving' do
+    h = {}
+    expect{ h[EmptyExample.new] = 'not important' }.to_not raise_error
+  end
+end