Lock simple_command version to avoid breaking change

Author: YuKitAs

Gemfile

@@ -15,7 +15,7 @@ gem("sqlite3")
 group :development, :test do
   gem("byebug", platforms: [:mri, :mingw, :x64_mingw])
   gem("rspec-rails")
-  gem("simple_command")
+  gem("simple_command", "~> 0.1.0")
 end
 
 group :development do

Gemfile.lock

@@ -156,7 +156,7 @@ GEM
     ruby-progressbar (1.11.0)
     shoulda-matchers (4.4.1)
       activesupport (>= 4.2.0)
-    simple_command (1.0.1)
+    simple_command (0.1.0)
     spring (2.1.1)
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)
@@ -199,7 +199,7 @@ DEPENDENCIES
   rspec-rails
   rubocop
   shoulda-matchers (~> 4.4.0)
-  simple_command
+  simple_command (~> 0.1.0)
   spring
   spring-watcher-listen (~> 2.0.0)
   sqlite3