Fix uninitialized sockaddr_in fields.
Remove dead code.
Fix potential null dereference.
Remove redundant null checks.
Fix redundant initialization.
Add missing initializer.
Remove redundant null check.
Fix potential memory leak.
Remove dead code.
Build fix.
Fix constructor usage.
Fix a potential crash with invalid DNS responses.
Implement --data, --log and --pid command-line options.
Bump version to 1.3beta8.