Changes since 1.3.9

1. Fix dumb bug in 1.3.9 Tunnel Handling.

2. First implementaiton of dynamic zones.

3. Corrections to Dynamic Zones.

4. More fixes for Dynamic Zones.

5. Correct a typo in an error message.

6. Fix rule insertion algorithms for Dynamic Zones.

7. Optimize dynamic zones code

8. Remove iptables 1.2.7 hacks.

9. Fix dumb typo in 1.3.9 (recalculate_interfacess)

10. Add PATH assignment to the install script

11. Correct 'functions' file handling in the install script.

12. Add ipsecnat tunnel type. 

13. Correct typo in the shorewall.spec file.

14. Add support for PPTP client and server to the tunnels file.

15. Move the main firewall script to /usr/lib/shorewall

16. Allow SNAT using primary IP and ADD_SNAT_ALIASES=Yes

17. Add MAC verificaiton

18. Conserve space by removing comment decorations.