ABSender is a Http Sender Use in HTTP Server perf test, is modify from ApacheBench
When ApacheBench Sorted on total connect times, would cause writing off the end of the stats array
and report Segmentation Fault. for detail you can visit "http://100continue.iteye.com/blog/1337347"
a. Support to read the Headers, Cookies, Path, PostData info from file
b. Support in Range Mode