Implemented pullquoteleft functionality

plugins/pullquote.rb

@@ -1,10 +1,10 @@
 #
 # Author: Brandon Mathis
-# Based on the sematic pullquote technique by Maykel Loomans at http://miekd.com/articles/pull-quotes-with-html5-and-css/
+# Based on the semantic pullquote technique by Maykel Loomans at http://miekd.com/articles/pull-quotes-with-html5-and-css/
 #
 # Outputs a span with a data-pullquote attribute set from the marked pullquote. Example:
 #
-#   {% pullquote %}
+#   {% pullquote %} 
 #     When writing longform posts, I find it helpful to include pullquotes, which help those scanning a post discern whether or not a post is helpful.
 #     It is important to note, {" pullquotes are merely visual in presentation and should not appear twice in the text. "} That is why it is prefered
 #     to use a CSS only technique for styling pullquotes.
@@ -17,11 +17,13 @@
 #     </span>
 #   </p>
 #
+#  Strand's modification adds the ability to call this plugin with {% pullquote align:left %} which duplicates the current behavior of the pullquote plugin, with a left float and appropriate margins.
 
 module Jekyll
 
   class PullquoteTag < Liquid::Block
     def initialize(tag_name, markup, tokens)
+      markup =~ /align:left/i ? @align = "left" : @align = ""
       super
     end
 
@@ -29,7 +31,7 @@ module Jekyll
       output = super
       if output.join =~ /\{"\s*(.+)\s*"\}/
         @quote = $1
-        "<span class='has-pullquote' data-pullquote='#{@quote}'>#{output.join.gsub(/\{"\s*|\s*"\}/, '')}</span>"
+         "<span class='has-pullquote#{@align}' data-pullquote='#{@quote}'>#{output.join.gsub(/\{"\s*|\s*"\}/, '')}</span>" # TODO Determine how to makethis span have a left or right flag.
       else
         return "Surround your pullquote like this {\" text to be quoted \"}"
       end