Updated gem dependencies (excluding RSpec).

Author: jdantonio

Gemfile

@@ -2,8 +2,10 @@ source 'https://rubygems.org'
 
 gemspec
 
-gem 'rake', '~> 10.3.2'
-gem 'rake-compiler', '~> 0.9.2'
+group :development do
+  gem 'rake', '~> 10.3.2'
+  gem 'rake-compiler', '~> 0.9.2'
+end
 
 group :testing do
   gem 'rspec', '~> 2.14.1'
@@ -15,6 +17,6 @@ end
 group :documentation do
   gem 'countloc', '~> 0.4.0', :platforms => :mri, :require => false
   gem 'yard', '~> 0.8.7.4', :require => false
-  gem 'inch', '~> 0.4.1', :platforms => :mri, :require => false
+  gem 'inch', '~> 0.4.6', :platforms => :mri, :require => false
   gem 'redcarpet', '~> 3.1.2', platforms: :mri # understands github markdown
 end