when will it be updated to 1.7.3 i accidentally updated mc and i want to try the mod. if its gonna take a while can someone post a link to where i can download 1.7.2 and how to downgrade my mc to it. Thanks

thank you guys and is there anyway for me to downgrade my minecraft to 1.72?

I Installed the mod but when i load a single player map it says it loads it then it says its saving chunks and gets stuck there