added current-time and current-date sass functions

lib/compass/sass_extensions/functions/env.rb

@@ -1,5 +1,16 @@
 module Compass::SassExtensions::Functions::Env
+
   def compass_env
     Sass::Script::String.new((options[:compass][:environment] || "development").to_s)
   end
+
+  def current_time(format)
+    time = Time.now.strftime(format.to_s)
+
+    Sass::Script::String.new(time.to_s)
+  end
+
+  alias :current_date :current_time
+
+
 end

test/fixtures/stylesheets/envtest/css/env.css

@@ -1,2 +1,6 @@
 .env {
   env: <%= options[:environment] %>; }
+.time {
+  time: "<%= Time.now.strftime("%F") %>"; }
+.date {
+  date: "<%= Time.now.strftime("%F") %>"; }

test/fixtures/stylesheets/envtest/sass/env.scss

@@ -1,3 +1,11 @@
 .env {
   env: compass-env();  
 }
+
+.time {
+  time: current-time("%F");
+}
+
+.date {
+  date: current-date("%F");
+}