Hey there, I emailed you with some suggestions, so I figured I'd post them here too, along with some more I am coming up with as I continue playing.
PS, I just want to say that this is not criticism at all! I LOVE THIS MOD!!! I think this is the closest thing to perfect mod I have ever seen, which is why I have many suggestions to make it even closer to perfect (IMHO)!
1) Relics
I definately think Hinduism should be added, perhaps pagan religions across the globe as well (could just be one generic "pagan"). This could also reduce some of the huge number of altar crosses, etc., since I've noticed that every civ has at least some kind of relic... seems like they'd be more valuable if you had to fight over *both* pieces of the relics needed, rather than just one. Also, the idea of civs with multiple religions? That way, India could be both Hindu and Muslim, as the civ encompasses modern day India, Bangladesh, and Pakistan. Also, maybe relics can create happiness, or culture (is that even possible?) so that way AI might be more willing to trade for them? When I conquer an Islamic country, I can't use their relics for anything

so maybe they could at least give me happiness? Or improve my relationship with Islamic countries?
2) Harbors in the new world?
I think it's cool that the new world doesn't get boats till later, but maybe show them a little mercy? Maybe no galleys, but at least a canoe that can transport one unit? Or in the very least let them have harbors to open up trade. I've got tanks now, but I still can't trade with the Aztecs, thus I can't give them coal for their rubber, and the only way I can trade with them is if I go to war, take a city, make peace, then build a system of roads for them.
3) More Units?
As I said above about the canoes, there are tons of extra unit packs with ancient and medieval and modern units that I'm sure you could use. Especially canoes for early ages? If you know the Ancient Mediterranean Mod, they have tons of similar units, and just dramatically increased the attack and defense of all units to make them more variable. So theres swordsman, longswordsman, copper swordsman, etc. This could make ancient age battles more flexible and really fun. All ages, in fact!

I like how you increased the modern units like destroyer -- but you could do that to all the units to make them all more diverse and challenging to play.
4) Barbarians dont seem to attack me...
Pirates do, they're great!

But the land barbarians have never attacked me. They just sit there, harmless, building up units (and making the game slower

) until I eventually can kill them all. They don't even go after my workers! :-\ Hmm...
5) Reinstate some of the old civs?
I was sad that Babylonians were replaced.

They're not the same as Persia. Even if they use the same leaderhead as Israel, I miss them.
6) Technology
This is one of my saddest things about all Civ games... has anyone else had this problem? I always end up with tanks in the 1400's, and spaceship before 1600. I wish there were some more techs. To fill those gaps. More governments would be cool, and a good way to fill this gap. Actually, one way I think this might be fixed is if the game went back to starting at 4000 BC instead of 5000 BC.
7) Wonders
More Wonders! :-D Hehehe! Even if they only give extra culture and nothing more! Stonehenge and Sphynx and Chichen Itza and Eiffel Tower and Statue of Liberty and Notredame and Haggia Sophia to name a few. I like the idea of having extra "Forbidden Palace" type wonders too. Especially on such a big world map, it would be quite useful.
8) Buildings
Like the units, there are many buildings that can be inserted. Of course this does upset gameplay quite a bit if they start increasing science and production, so I can see that this could be a *very* hard thing to implement. But it would be cool.
9) AI...
I don't even know if AI is possible to edit... but I'd like to see Civ's *much* more willing to trade resources, and much less willing to trade contacts so early in the game. Contacts are very valuable resources, and seem to be traded fastest of all. It's disturbing to me in 4000 BC when China has an embassy in Spain. I also think, if possible, it would be nice to lower chance of AI declaring war on far away countries. When Indonesia declares war on the Scandinavians in 1 AD, it really is disturbing. And it ruins both countries, who could be fighting their neighbors and doing a good job, but they invest so much money sending troops one by one across Russia that they never get anything done. I don't know if this is a possible thing to edit, but it has always disturbed me in Civ games.
Ok, that's all for now. Thank you so much for making this mod! I in no way mean to criticize your mod. This is the best mod I have ever played! I can't wait for 2.0!
