+ Allow * and exceptions for -p in the headers and parameters lists:
+-p *,-h1,-h2,-h3:p1,p2,p3
+-p h1,h2,h3:*,-p1,-p2,-p3
+-p *,-h1,-h2,-h3:*,-p1,-p2,-p3
+
+ Change option -r to accept a list of headers: -r h1,h2,h3,...
+
+ Change option -r to remove all headers and accept a list of exceptions:
+-r *,-h1,-h2,...