Update dependencies and bump to 2.1.0

.ruby-version

@@ -1 +1 @@
-2.4.1
+2.5.0

Gemfile.lock

@@ -1,17 +1,17 @@
 PATH
   remote: .
   specs:
-    goldfinger (2.0.0)
+    goldfinger (2.1.0)
       addressable (~> 2.5)
-      http (~> 2.2)
+      http (~> 3.0)
       nokogiri (~> 1.8)
       oj (~> 3.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.5.1)
-      public_suffix (~> 2.0, >= 2.0.2)
+    addressable (2.5.2)
+      public_suffix (>= 2.0.2, < 4.0)
     coderay (1.1.1)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
@@ -22,25 +22,25 @@ GEM
       rspec-core (~> 3.0)
       ruby-progressbar (~> 1.4)
     hashdiff (0.3.4)
-    http (2.2.2)
+    http (3.0.0)
       addressable (~> 2.3)
       http-cookie (~> 1.0)
-      http-form_data (~> 1.0.1)
+      http-form_data (>= 2.0.0.pre.pre2, < 3)
       http_parser.rb (~> 0.6.0)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    http-form_data (1.0.3)
+    http-form_data (2.0.0)
     http_parser.rb (0.6.0)
     method_source (0.8.2)
-    mini_portile2 (2.2.0)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
-    oj (3.3.2)
+    mini_portile2 (2.3.0)
+    nokogiri (1.8.1)
+      mini_portile2 (~> 2.3.0)
+    oj (3.3.10)
     pry (0.10.4)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    public_suffix (2.0.5)
+    public_suffix (3.0.1)
     rake (12.0.0)
     rspec (3.6.0)
       rspec-core (~> 3.6.0)
@@ -79,4 +79,4 @@ DEPENDENCIES
   webmock
 
 BUNDLED WITH
-   1.15.2
+   1.16.1

goldfinger.gemspec

@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |s|
   s.name                  = 'goldfinger'
-  s.version               = '2.0.1'
+  s.version               = '2.1.0'
   s.platform              = Gem::Platform::RUBY
   s.required_ruby_version = '>= 2.3.0'
   s.date                  = '2016-02-17'
@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
   s.homepage              = 'https://github.com/Gargron/goldfinger'
   s.licenses              = ['MIT']
 
-  s.add_dependency('http', '~> 2.2')
+  s.add_dependency('http', '~> 3.0')
   s.add_dependency('addressable', '~> 2.5')
   s.add_dependency('nokogiri', '~> 1.8')
   s.add_dependency('oj', '~> 3.0')