Bump to 0.7.3

Author: cantino

ruby-readability.gemspec

@@ -3,7 +3,7 @@ $:.push File.expand_path("../lib", __FILE__)
 
 Gem::Specification.new do |s|
   s.name        = "ruby-readability"
-  s.version     = '0.7.2'
+  s.version     = '0.7.3'
   s.authors     = ["Andrew Cantino", "starrhorne", "libc", "Kyle Maxwell"]
   s.email       = ["[email protected]"]
   s.homepage    = "http://github.com/cantino/ruby-readability"