Upgrade ruby, rspec

Author: mattwr18

Gemfile

@@ -1,4 +1,4 @@
 source 'https://rubygems.org'
-ruby '2.4.0'
+ruby '2.5.3'
 
-gem 'rspec', '~> 3.7'
+gem 'rspec', '~> 3.8'

Gemfile.lock

@@ -2,28 +2,28 @@ GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.3)
-    rspec (3.7.0)
-      rspec-core (~> 3.7.0)
-      rspec-expectations (~> 3.7.0)
-      rspec-mocks (~> 3.7.0)
-    rspec-core (3.7.1)
-      rspec-support (~> 3.7.0)
-    rspec-expectations (3.7.0)
+    rspec (3.8.0)
+      rspec-core (~> 3.8.0)
+      rspec-expectations (~> 3.8.0)
+      rspec-mocks (~> 3.8.0)
+    rspec-core (3.8.0)
+      rspec-support (~> 3.8.0)
+    rspec-expectations (3.8.2)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.7.0)
-    rspec-mocks (3.7.0)
+      rspec-support (~> 3.8.0)
+    rspec-mocks (3.8.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.7.0)
-    rspec-support (3.7.1)
+      rspec-support (~> 3.8.0)
+    rspec-support (3.8.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  rspec (~> 3.7)
+  rspec (~> 3.8)
 
 RUBY VERSION
-   ruby 2.4.0p0
+   ruby 2.5.3p105
 
 BUNDLED WITH
-   1.16.1
+   1.17.1