Old local changes on a new image

Hello

I'm working on an app hosted in monticello. I made a heavy work on my  
classes in an image during the last three months. Some days ago, I  
need to create a new image and load my code from monticello.
Everything goes ok, but I lose all my local version history. When I  
click on versions, I only see changes from the creation of the new  
image.
I want to know if there are some way to incorporate all my changes  
made to the old image to the new one.

Thanks in advance, and I hope you can understand my english.

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