adds specs for all property types

lib/microformats2/format.rb

@@ -8,7 +8,7 @@ module Microformats2
     def to_hash
       hash = { type: [type], properties: {} }
       @added_methods.each do |method_name|
-        hash[:properties][method_name.to_sym] = send(method_name)
+        hash[:properties][method_name.to_sym] = send(method_name).to_s
       end
       hash
     end

lib/microformats2/property.rb

@@ -12,11 +12,13 @@ module Microformats2
   class DateTimeProperty
     def parse(element)
       DateTime.parse(element.attribute("datetime") || property.text)
+    rescue ArgumentError => e
+      element.attribute("datetime") || property.text
     end
   end
   class EmbeddedProperty
     def parse(element)
-      element.text
+      element.text.gsub(/\n+/, " ").gsub(/\s+/, " ").strip
     end
   end