Merge r1488644 from trunk:

Add a new -l parameter in order not to check the length of the responses. This can be usefull with dynamic pages.
PR9945, PR27888, PR42040
Submitted by: jailletc36
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1528053 13f79535-47bb-0310-9956-ffa450edef68