Generalize 'Link' header parsing

lib/sawyer/response.rb

@@ -24,7 +24,7 @@ def initialize(agent, res, options = {})
 
     def data
       @data ||= begin
-        return(body) unless (headers[:content_type] =~ /json|msgpack/) 
+        return(body) unless (headers[:content_type] =~ /json|msgpack/)
         process_data(agent.decode_body(body))
       end
     end
@@ -48,8 +48,12 @@ def process_data(data)
     #
     # Returns an array of Relations
     def process_rels
-      links = ( @headers["Link"] || "" ).split(', ').map do |link|
-        href, name = link.match(/<(.*?)>; rel="(\w+)"/).captures
+      links = ( @headers["Link"] || "" ).split(',').map do |link|
+        href, params = link.match(/<(.*?)>(.*)/).captures
+        name = nil
+        params.split(';').find do |param|
+          param.match(/rel="?(\w+)/) { |m| name = m[1] }
+        end
 
         [name.to_sym, Relation.from_link(@agent, name, :href => href)]
       end