Gemfile in coderunner-1.0.3 vs Gemfile in coderunner-1.0.4

@@ -1,22 +1,20 @@
 source "http://rubygems.org"
 # Add dependencies required to use your gem here.
 # Example:
-#   gem "activesupport", ">= 2.3.5"
-  gem "graphkit", ">= 0.4.2"
-  gem "parallelpipes", ">= 1.0.0"
-  gem "rubyhacks", ">= 0.1.4"
-  gem "rb-gsl", "> 1.12.0"
-  gem "gsl_extras", ">= 0.3.0"
+  gem "graphkit", "~> 0.4"
+  gem "parallelpipes", "~> 1.0"
+  gem "rubyhacks", "~> 0.1"
+  gem "rb-gsl", "~> 1.16"
+  gem "gsl_extras", "~> 0.4"
   #gem "ruby-netcdf", ">= 0.6.6"
-	gem "hostmanager", "> 0.1.0"
-	gem "command-line-flunky", "> 0.1.0"
-  gem "git", ">= 1.2.9"
+	gem "hostmanager", "~> 1.2"
+	gem "command-line-flunky", "~> 1.0"
+  gem "git", "~> 1.2"
 
 # Add dependencies to develop your gem here.
 # Include everything needed to run rake, tests, features, etc.
 group :development do
-  gem "shoulda", ">= 0"
+  gem "shoulda", "~> 3.5"
   gem "rdoc", "~> 3.12"
-  gem "bundler", "~> 1.10"
   gem "jeweler", "~> 2.0"
 end