--- New Features
1. Added zone transfer capability
2. Added reverse lookups on IP ranges (-r, --ranges)
3. Added validity checks on provided arguments
4. Added chunk support on reverse lookups
5. Added chunk support on port scan
--- Bug Fixes
1. Fixed a bug on wildcard checks
2. Fixed a bug on diff checks with old results
--- Misc
1. Utilities code redesign
2. Updated README.md