Allow methods such as to_a, to_json on hash objects

.travis.yml

@@ -1,7 +1,9 @@
 language: ruby
 rvm:
-- 2.1.0
-- 2.4.0
+- 2.4
+- 2.6
+before_install:
+- gem install bundler
 addons:
   code_climate:
     repo_token: 197d6b3eb448e97f94a63414e2f6b6a96d0bf0d44514cf57100be14483302d12

lib/mustache/context.rb

@@ -160,6 +160,7 @@ def find_in_hash(obj, key, default)
       return obj[key]      if obj.has_key?(key)
       return obj[key.to_s] if obj.has_key?(key.to_s)
       return obj[key]      if obj.respond_to?(:default_proc) && obj.default_proc && obj[key]
+      return obj.send(key) if obj.respond_to?(key) # eg. to_a, to_json
 
       # If default is :__missing then we are from #fetch which is hunting through the stack
       # If default is nil then we are reducing dot notation

mustache.gemspec

@@ -43,7 +43,7 @@ desc
 
   s.required_ruby_version = '>= 2.0'
 
-  s.add_development_dependency 'bundler', '~> 1.6'
+  s.add_development_dependency 'bundler', '~> 2.1'
   s.add_development_dependency 'rake', '~> 10.3'
   s.add_development_dependency 'minitest', '~> 5.4'
   s.add_development_dependency 'benchmark-ips'

test/fixtures/dot_notation.mustache

@@ -4,6 +4,8 @@
 * {{#person}}{{hometown.city}}, {{hometown.state}}{{/person}}
 * {{#person}}{{#hometown}}{{city}}, {{state}}{{/hometown}}{{/person}}
 * {{#person.hometown}}{{city}}, {{state}}{{/person.hometown}}
+* {{#person}}{{#hometown.to_a}}{{first}}.{{last}};{{/hometown.to_a}}{{/person}}
+* {{#person.hometown.to_a}}{{first}}.{{last}};{{/person.hometown.to_a}}
 * {{normal}}
 
 * {{{person.name.first}}} {{&person.name.last}}

test/mustache_test.rb

@@ -714,6 +714,8 @@ def test_dot_notation
 * Cincinnati, OH
 * Cincinnati, OH
 * Cincinnati, OH
+* city.Cincinnati;state.OH;
+* city.Cincinnati;state.OH;
 * Normal
 
 * Chris Firescythe