Use more liberal development dependency versions.

Author: razor-x

replace_gemname.gemspec

@@ -20,24 +20,24 @@ Gem::Specification.new do |spec|
   spec.required_ruby_version = '>= 2.0.0'
 
   spec.add_development_dependency 'bundler', '~> 1.6'
-  spec.add_development_dependency 'bump', '~> 0.5.0'
+  spec.add_development_dependency 'bump', '~> 0.5'
 
-  spec.add_development_dependency 'yard', '~> 0.8.7.4'
+  spec.add_development_dependency 'yard', '~> 0.8.7'
   spec.add_development_dependency 'yard-redcarpet-ext', '~> 0.0.3'
-  spec.add_development_dependency 'redcarpet', '~> 3.2.2'
-  spec.add_development_dependency 'github-markup', '~> 1.3.1'
+  spec.add_development_dependency 'redcarpet', '~> 3.2'
+  spec.add_development_dependency 'github-markup', '~> 1.3'
 
-  spec.add_development_dependency 'rubocop', '~> 0.28.0'
+  spec.add_development_dependency 'rubocop', '~> 0.28'
 
-  spec.add_development_dependency 'rake', '~> 10.4.2'
+  spec.add_development_dependency 'rake', '~> 10.4'
 
-  spec.add_development_dependency 'guard', '~> 2.11.1'
-  spec.add_development_dependency 'guard-yard', '~> 2.1.0'
-  spec.add_development_dependency 'guard-rubocop', '~> 1.2.0'
-  spec.add_development_dependency 'guard-rspec', '~> 4.5.0'
+  spec.add_development_dependency 'guard', '~> 2.11'
+  spec.add_development_dependency 'guard-yard', '~> 2.1'
+  spec.add_development_dependency 'guard-rubocop', '~> 1.2'
+  spec.add_development_dependency 'guard-rspec', '~> 4.5'
 
-  spec.add_development_dependency 'rspec', '~> 3.1.0'
-  spec.add_development_dependency 'simplecov', '~> 0.9.0'
-  spec.add_development_dependency 'coveralls', '~> 0.7.0'
-  spec.add_development_dependency 'fuubar', '~> 2.0.0'
+  spec.add_development_dependency 'rspec', '~> 3.1'
+  spec.add_development_dependency 'simplecov', '~> 0.9'
+  spec.add_development_dependency 'coveralls', '~> 0.7'
+  spec.add_development_dependency 'fuubar', '~> 2.0'
 end