I have figured out how to downgrade so that the server still works
The issue is mods needed
Extra bees
Portal Gun
1) Download Extra bees 1.4.1.10
http://dl.dropbox.com/u/52207235/Minecraft/Website/bees/downloads.html
2)Download Portal gun 1.4.2V0.2
http://ichun.us/mods/portalgun/download/...