Merge pull request #39 from isimluk/publish-stderr-when-problem-occurs

Show stderr when error occurs on command execution

lib/awesome_spawn/command_result_error.rb

@@ -8,6 +8,7 @@ def self.default_message(command, exit_status)
     attr_reader :result
 
     def initialize(message, result)
+      message += " error was: #{result.error}" if !result.nil? && !result.error.empty?
       super(message)
       @result = result
     end