Update gem requirements

Gemfile

@@ -1,6 +1,7 @@
 source 'https://rubygems.org'
 
 group :test do
-  gem 'cucumber', '1.2.3'
-  gem 'aruba', '0.5.1'
+  gem 'cucumber'
+  gem 'aruba'
+  gem 'thinp_xml'
 end

Gemfile.lock

@@ -1,30 +1,33 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    aruba (0.5.1)
-      childprocess (~> 0.3.6)
+    aruba (0.5.3)
+      childprocess (>= 0.3.6)
       cucumber (>= 1.1.1)
       rspec-expectations (>= 2.7.0)
-    builder (3.2.0)
+    builder (3.2.2)
     childprocess (0.3.9)
       ffi (~> 1.0, >= 1.0.11)
-    cucumber (1.2.3)
+    cucumber (1.3.2)
       builder (>= 2.1.2)
       diff-lcs (>= 1.1.3)
-      gherkin (~> 2.11.6)
+      gherkin (~> 2.12.0)
       multi_json (~> 1.3)
-    diff-lcs (1.2.1)
-    ffi (1.4.0)
-    gherkin (2.11.6)
-      json (>= 1.7.6)
-    json (1.7.7)
-    multi_json (1.7.1)
+    diff-lcs (1.2.4)
+    ejt_command_line (0.0.2)
+    ffi (1.9.0)
+    gherkin (2.12.0)
+      multi_json (~> 1.3)
+    multi_json (1.7.7)
     rspec-expectations (2.13.0)
       diff-lcs (>= 1.1.3, < 2.0)
+    thinp_xml (0.0.3)
+      ejt_command_line (= 0.0.2)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  aruba (= 0.5.1)
-  cucumber (= 1.2.3)
+  aruba
+  cucumber
+  thinp_xml