Fixed Guard::Version in ruby 1.8.7

Rakefile

@@ -14,7 +14,7 @@ namespace(:spec) do
          system "cmd /c echo -----------#{version}------------ & " +
            "pik use #{version} & " +
            "bundle install & " +
-           "rake spec"
+           "bundle exec rake spec"
       end
     end
   else
@@ -26,9 +26,9 @@ namespace(:spec) do
                    rvm #{version};
                    echo "--------- version #{version} ----------\n";
                    bundle install;
-                   rake spec'
+                   bundle exec rake spec'
         BASH
       end
     end
-  end  
+  end
 end

lib/guard.rb

@@ -84,7 +84,7 @@ module Guard
       try_require = false
       const_name = name.to_s.downcase.gsub('-', '')
       begin
-        require "guard/#{name.downcase}" if try_require
+        require "guard/#{name.to_s.downcase}" if try_require
         self.const_get(self.constants.find {|c| c.to_s.downcase == const_name })
       rescue TypeError
         unless try_require

lib/guard/version.rb

@@ -1,3 +1,3 @@
 module Guard
-  VERSION = "0.4.1" unless defined? VERSION
+  VERSION = "0.4.1" unless defined? Guard::VERSION
 end