Merge pull request #148 from darthdeus/master

External encoding set to UTF-8 on Ruby 1.9 to fix crash caused by non-ascii characters in pod description

bin/pod

 #!/usr/bin/env ruby
 
+Encoding.default_external = Encoding::UTF_8 if RUBY_VERSION > '1.8.7'
+
 if $0 == __FILE__
   $:.unshift File.expand_path('../../external/Xcodeproj/ext', __FILE__)
   $:.unshift File.expand_path('../../external/Xcodeproj/lib', __FILE__)