No need for any other mod, its all included.
Compatible across versions. Continue playing your current game of C2C - just save our current game and load it in the new version. You will be asked "Should the modifiers be recalculated?". Just say yes, wait awhile and then continue your game with all the new features.
MODPACK Thread: (for Common mistakes, errors and complaints/compliments:
THREAD for idea's and suggestions:: http://forums.civfanatics.com/showthread.php?t=377892
[*]When reporting bugs, and specifically what errors you are having. Posting a screenshot and/or save are both recommended too.