Hi Aussie and welcome to the forum!
YES!!! We have some great discussions here about
diet to control Crohn's (they sound remarkably similar to what you're describing!). Here is a link from a recent discussion about
the Specific Carbohydrate Diet (SCD), the Maker's Diet and Life Without Bread:
https://www.healingwell.com/community/default.aspx?f=17&m=1262312&p=1 (please cut and paste into your browser....sadly, I don't know how to activate the link..
)
Happy reading!