Fixing the gemspec warnings causes Travis to fail, so reverting.

We'll have to think of another way to fix this.

Gemfile.lock

@@ -2,20 +2,18 @@ PATH
   remote: .
   specs:
     shanty (0.1.0)
-      algorithms (~> 0.6, >= 0.6.1)
-      commander (~> 4.2, >= 4.2.1)
-      deep_merge (~> 1.0, >= 1.0.1)
-      graph (~> 2.6, >= 2.6.0)
-      hooks (~> 0.4, >= 0.4.0)
-      i18n (~> 0.6, >= 0.6.11)
+      algorithms (~> 0.6.1)
+      commander (~> 4.2.1)
+      deep_merge (~> 1.0.1)
+      graph (~> 2.6.0)
+      hooks (~> 0.4.0)
+      i18n (~> 0.6.11)
 
 GEM
   remote: https://rubygems.org/
   specs:
     algorithms (0.6.1)
     ast (2.0.0)
-    astrolabe (1.3.0)
-      parser (>= 2.2.0.pre.3, < 3.0)
     byebug (2.7.0)
       columnize (~> 0.3)
       debugger-linecache (~> 1.2)
@@ -33,11 +31,12 @@ GEM
     deep_merge (1.0.1)
     diff-lcs (1.2.5)
     docile (1.1.5)
-    graph (2.7.1)
+    graph (2.6.0)
     highline (1.6.21)
     hooks (0.4.0)
       uber (~> 0.0.4)
     i18n (0.6.11)
+    json (1.8.1)
     method_source (0.8.2)
     mime-types (2.4.3)
     multi_json (1.10.1)
@@ -58,25 +57,26 @@ GEM
     rest-client (1.7.2)
       mime-types (>= 1.16, < 3.0)
       netrc (~> 0.7)
-    rspec (3.1.0)
-      rspec-core (~> 3.1.0)
-      rspec-expectations (~> 3.1.0)
-      rspec-mocks (~> 3.1.0)
-    rspec-core (3.1.7)
-      rspec-support (~> 3.1.0)
-    rspec-expectations (3.1.2)
+    rspec (3.0.0)
+      rspec-core (~> 3.0.0)
+      rspec-expectations (~> 3.0.0)
+      rspec-mocks (~> 3.0.0)
+    rspec-core (3.0.4)
+      rspec-support (~> 3.0.0)
+    rspec-expectations (3.0.4)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.1.0)
-    rspec-mocks (3.1.3)
-      rspec-support (~> 3.1.0)
-    rspec-support (3.1.2)
-    rubocop (0.27.0)
-      astrolabe (~> 1.3)
-      parser (>= 2.2.0.pre.6, < 3.0)
+      rspec-support (~> 3.0.0)
+    rspec-mocks (3.0.4)
+      rspec-support (~> 3.0.0)
+    rspec-support (3.0.4)
+    rubocop (0.24.1)
+      json (>= 1.7.7, < 2)
+      parser (>= 2.2.0.pre.3, < 3.0)
       powerpack (~> 0.0.6)
       rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.4)
-    rubocop-rspec (1.2.0)
+    rubocop-rspec (1.1.0)
+      rubocop (~> 0.23)
     ruby-progressbar (1.6.1)
     simplecov (0.9.1)
       docile (~> 1.1.0)
@@ -94,10 +94,10 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  coveralls (~> 0.7, >= 0.7.1)
-  pry-byebug (~> 1.3, >= 1.3.3)
-  rake (~> 10.3, >= 10.3.2)
-  rspec (~> 3.0, >= 3.0.0)
-  rubocop (~> 0.24, >= 0.24.1)
-  rubocop-rspec (~> 1.1, >= 1.1.0)
+  coveralls (~> 0.7.1)
+  pry-byebug (~> 1.3.3)
+  rake (~> 10.3.2)
+  rspec (~> 3.0.0)
+  rubocop (~> 0.24.1)
+  rubocop-rspec (~> 1.1.0)
   shanty!

shanty.gemspec

@@ -17,17 +17,17 @@ Gem::Specification.new do |gem|
   gem.executables << 'shanty'
   gem.files = Dir['**/*'].select { |d| d =~ %r{^(README|bin/|ext/|lib/)} }
 
-  gem.add_dependency 'algorithms', '~> 0.6', '>= 0.6.1'
-  gem.add_dependency 'commander', '~> 4.2', '>= 4.2.1'
-  gem.add_dependency 'deep_merge', '~> 1.0', '>= 1.0.1'
-  gem.add_dependency 'graph', '~> 2.6', '>= 2.6.0'
-  gem.add_dependency 'hooks', '~> 0.4', '>= 0.4.0'
-  gem.add_dependency 'i18n', '~> 0.6', '>= 0.6.11'
+  gem.add_dependency 'algorithms', '~> 0.6.1'
+  gem.add_dependency 'commander', '~> 4.2.1'
+  gem.add_dependency 'deep_merge', '~> 1.0.1'
+  gem.add_dependency 'graph', '~> 2.6.0'
+  gem.add_dependency 'hooks', '~> 0.4.0'
+  gem.add_dependency 'i18n', '~> 0.6.11'
 
-  gem.add_development_dependency 'pry-byebug', '~> 1.3', '>= 1.3.3'
-  gem.add_development_dependency 'rspec', '~> 3.0', '>= 3.0.0'
-  gem.add_development_dependency 'rubocop', '~> 0.24', '>= 0.24.1'
-  gem.add_development_dependency 'rubocop-rspec', '~> 1.1', '>= 1.1.0'
-  gem.add_development_dependency 'rake', '~> 10.3', '>= 10.3.2'
-  gem.add_development_dependency 'coveralls', '~> 0.7', '>= 0.7.1'
+  gem.add_development_dependency 'pry-byebug', '~> 1.3.3'
+  gem.add_development_dependency 'rspec', '~> 3.0.0'
+  gem.add_development_dependency 'rubocop', '~> 0.24.1'
+  gem.add_development_dependency 'rubocop-rspec', '~> 1.1.0'
+  gem.add_development_dependency 'rake', '~> 10.3.2'
+  gem.add_development_dependency 'coveralls', '~> 0.7.1'
 end