Fix payload truncation by not double-counting IP header length
Merge pull request #176 from hmoore-r7/bug/fix-udp-truncation

Fix payload truncation by not double-counting IP header length
Decrease CPU utilization on recv thread

If the non-blocking call to pcap_dispatch returns 0 (e.g. no packets
were processed), instead of restarting the loop, sleep for 1ms.
Revert "Decrease CPU utilization on recv thread"

This reverts commit f3bbec4958ad0bc2da76bfb81856623f4732dcf3.
Going to save tackling this issue for v1.4.0.
Cap send threads to max targets during autodetect

Fixes #167
Add --ignore-invalid-hosts option

Use to override invalid hosts in blacklist/whitelist file

Fixes #143
Merge branch 'master' of github.com:zmap/zmap into app-success-monitor