[Gemfile] Use letters for debugging.

Gemfile

@@ -13,10 +13,15 @@ group :development do
   gem "rb-fsevent"
   gem "vcr"
   gem "webmock"
-  gem "awesome_print"
-  gem "pry"
 
   gem 'yard'
   gem 'redcarpet'
   gem 'github-markup'
 end
+
+group :debugging do
+  gem "awesome_print"
+  gem "pry"
+  gem "letters"
+end
+

Gemfile.lock

@@ -39,7 +39,16 @@ GEM
     bacon (1.1.0)
     coderay (1.0.7)
     colored (1.2)
+    colorize (0.5.8)
+    columnize (0.3.6)
     crack (0.3.1)
+    debugger (1.2.0)
+      columnize (>= 0.3.1)
+      debugger-linecache (~> 1.1.1)
+      debugger-ruby_core_source (~> 1.1.3)
+    debugger-linecache (1.1.2)
+      debugger-ruby_core_source (>= 1.1.1)
+    debugger-ruby_core_source (1.1.3)
     escape (0.0.4)
     faraday (0.8.4)
       multipart-post (~> 1.1)
@@ -49,6 +58,12 @@ GEM
     hashie (1.2.0)
     i18n (0.6.1)
     json (1.7.5)
+    letters (0.2.3)
+      activesupport
+      awesome_print
+      colorize
+      debugger
+      xml-simple
     listen (0.5.2)
     metaclass (0.0.1)
     method_source (0.8)
@@ -78,6 +93,7 @@ GEM
     webmock (1.8.11)
       addressable (>= 2.2.7)
       crack (>= 0.1.7)
+    xml-simple (1.1.1)
     yard (0.8.2.1)
 
 PLATFORMS
@@ -89,6 +105,7 @@ DEPENDENCIES
   cocoapods!
   github-markup
   kicker!
+  letters
   mocha (~> 0.11.4)
   mocha-on-bacon
   pry

lib/cocoapods.rb

@@ -64,6 +64,6 @@ class Pathname
 end
 
 if ENV['COCOA_PODS_ENV'] == 'development'
-  require 'pry'
+  require 'letters'
   require 'awesome_print'
 end