diff --git a/.gitignore b/.gitignore
index 51c4537..115655a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
 /.vagrant/
 /vendor/
-Gemfile.lock
 
diff --git a/.travis.yml b/.travis.yml
index 8311bd1..4d4e9cb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,9 +6,8 @@ os:
   - osx
 
 rvm:
-  - 2.4
+  - 2.4.1
   - 2.3.1
-  - 2.2.0
 
 before_install:
   - gem update --system
diff --git a/Gemfile b/Gemfile
index ce83092..35c4e1b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -14,7 +14,7 @@ group :production do
   gem 'puppet', puppetversion
   gem 'r10k',   '~> 2.5'
   gem 'rugged', '~> 0.24'
-  gem 'xmlrpc', '~> 0.3.0' if RUBY_VERSION >= '2.4'
+  gem 'xmlrpc', '~> 0.3.0' if RUBY_VERSION >= '2.3'
 end
 
 group :development, :unit_tests do
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..3c7bff9
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,189 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    CFPropertyList (2.2.8)
+    ast (2.3.0)
+    colored (1.2)
+    cri (2.6.1)
+      colored (~> 1.2)
+    diff-lcs (1.3)
+    equatable (0.5.0)
+    facter (2.4.6)
+    facter (2.4.6-universal-darwin)
+      CFPropertyList (~> 2.2.6)
+    faraday (0.9.2)
+      multipart-post (>= 1.2, < 3)
+    faraday_middleware (0.10.1)
+      faraday (>= 0.7.4, < 1.0)
+    fast_gettext (1.1.0)
+    gettext (3.2.2)
+      locale (>= 2.0.5)
+      text (>= 1.3.0)
+    gettext-setup (0.25)
+      fast_gettext (~> 1.1.0)
+      gettext (>= 3.0.2)
+      locale
+    hiera (3.3.1)
+    json (2.1.0)
+    json_pure (1.8.6)
+    locale (2.1.2)
+    log4r (1.1.10)
+    metaclass (0.0.4)
+    metadata-json-lint (1.2.2)
+      json
+      semantic_puppet (>= 0.1.2, < 2.0.0)
+      spdx-licenses (~> 1.0)
+    minitar (0.6.1)
+    mocha (1.2.1)
+      metaclass (~> 0.0.1)
+    multi_json (1.12.1)
+    multipart-post (2.0.0)
+    necromancer (0.4.0)
+    os (1.0.0)
+    parallel (1.11.2)
+    parser (2.4.0.0)
+      ast (~> 2.2)
+    pastel (0.7.1)
+      equatable (~> 0.5.0)
+      tty-color (~> 0.4.0)
+    powerpack (0.1.1)
+    puppet (4.10.1)
+      facter (> 2.0, < 4)
+      gettext-setup (>= 0.10, < 1)
+      hiera (>= 2.0, < 4)
+      json_pure (~> 1.8)
+      locale (~> 2.1)
+    puppet (4.10.1-universal-darwin)
+      CFPropertyList (~> 2.2.6)
+      facter (> 2.0, < 4)
+      gettext-setup (>= 0.10, < 1)
+      hiera (>= 2.0, < 4)
+      json_pure (~> 1.8)
+      locale (~> 2.1)
+    puppet-lint (2.2.1)
+    puppet-lint-absolute_classname-check (0.2.4)
+      puppet-lint (>= 1.0, < 3.0)
+    puppet-lint-absolute_template_path (1.0.1)
+      puppet-lint (>= 1.1, < 3.0)
+    puppet-lint-empty_string-check (0.2.2)
+      puppet-lint (>= 1.0, < 3.0)
+    puppet-lint-leading_zero-check (0.1.1)
+      puppet-lint (>= 1.0, < 3.0)
+    puppet-lint-resource_reference_syntax (1.0.10)
+      puppet-lint (>= 1.0, < 3.0)
+    puppet-lint-spaceship_operator_without_tag-check (0.1.1)
+      puppet-lint (>= 1.0, < 3.0)
+    puppet-lint-trailing_newline-check (1.1.0)
+      puppet-lint (>= 1.0, < 3.0)
+    puppet-lint-undef_in_function-check (0.2.1)
+      puppet-lint (>= 1.0, < 3.0)
+    puppet-lint-unquoted_string-check (0.3.0)
+      puppet-lint (>= 1.0, < 3.0)
+    puppet-lint-variable_contains_upcase (1.2.0)
+      puppet-lint (>= 1.0, < 3.0)
+    puppet-syntax (2.4.0)
+      rake
+    puppet_forge (2.2.4)
+      faraday (~> 0.9.0)
+      faraday_middleware (>= 0.9.0, < 0.11.0)
+      gettext-setup (~> 0.11)
+      minitar
+      semantic_puppet (~> 0.1.0)
+    puppetlabs_spec_helper (2.1.3)
+      mocha (~> 1.0)
+      puppet-lint (~> 2.0)
+      puppet-syntax (~> 2.0)
+      rspec-puppet (~> 2.0)
+    r10k (2.5.5)
+      colored (= 1.2)
+      cri (~> 2.6.1)
+      gettext-setup (~> 0.5)
+      log4r (= 1.1.10)
+      multi_json (~> 1.10)
+      puppet_forge (~> 2.2)
+      semantic_puppet (~> 0.1.0)
+    rainbow (2.2.2)
+      rake
+    rake (12.0.0)
+    rspec (3.6.0)
+      rspec-core (~> 3.6.0)
+      rspec-expectations (~> 3.6.0)
+      rspec-mocks (~> 3.6.0)
+    rspec-core (3.6.0)
+      rspec-support (~> 3.6.0)
+    rspec-expectations (3.6.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.6.0)
+    rspec-mocks (3.6.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.6.0)
+    rspec-puppet (2.5.0)
+      rspec
+    rspec-support (3.6.0)
+    rubocop (0.49.1)
+      parallel (~> 1.10)
+      parser (>= 2.3.3.1, < 3.0)
+      powerpack (~> 0.1)
+      rainbow (>= 1.99.1, < 3.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (~> 1.0, >= 1.0.1)
+    ruby-progressbar (1.8.1)
+    rugged (0.25.1.1)
+    semantic_puppet (0.1.4)
+      gettext-setup (>= 0.3)
+    spdx-licenses (1.1.0)
+    text (1.3.1)
+    trollop (2.1.2)
+    tty-color (0.4.2)
+    tty-command (0.4.0)
+      pastel (~> 0.7.0)
+    tty-cursor (0.4.0)
+    tty-file (0.3.0)
+      diff-lcs (~> 1.3.0)
+      pastel (~> 0.7.0)
+      tty-prompt (~> 0.12.0)
+    tty-prompt (0.12.0)
+      necromancer (~> 0.4.0)
+      pastel (~> 0.7.0)
+      tty-cursor (~> 0.4.0)
+      wisper (~> 1.6.1)
+    unicode-display_width (1.2.1)
+    wisper (1.6.1)
+    xmlrpc (0.3.0)
+    yamllint (0.0.9)
+      trollop (~> 2)
+
+PLATFORMS
+  ruby
+  x86_64-darwin-16
+  x86_64-linux
+
+DEPENDENCIES
+  json (>= 2.0.2)
+  metadata-json-lint (~> 1.2)
+  os (~> 1.0)
+  puppet (>= 4.9, < 5)
+  puppet-lint (~> 2.2)
+  puppet-lint-absolute_classname-check (~> 0.2)
+  puppet-lint-absolute_template_path (~> 1.0)
+  puppet-lint-empty_string-check (~> 0.2)
+  puppet-lint-leading_zero-check (~> 0.1)
+  puppet-lint-resource_reference_syntax (~> 1.0)
+  puppet-lint-spaceship_operator_without_tag-check (~> 0.1)
+  puppet-lint-trailing_newline-check (~> 1.1)
+  puppet-lint-undef_in_function-check (~> 0.2)
+  puppet-lint-unquoted_string-check (~> 0.3)
+  puppet-lint-variable_contains_upcase (~> 1.2)
+  puppetlabs_spec_helper (~> 2.1)
+  r10k (~> 2.5)
+  rspec-puppet (~> 2.5)
+  rubocop (~> 0.49)
+  rugged (~> 0.24)
+  tty-command (~> 0.4)
+  tty-file (~> 0.3)
+  tty-prompt (~> 0.12)
+  xmlrpc (~> 0.3.0)
+  yamllint (~> 0.0.9)
+
+BUNDLED WITH
+   1.14.6