### Prerequisites - [x] I have written a descriptive issue title - [x] I have verified that I am running the latest version of the ReqIFSharp - [x] I have searched [open](https://github.com/RHEAGROUP/ReqIFSharp/issues) and [closed](https://github.com/RHEAGROUP/ReqIFSharp/issues?q=is%3Aissue+is%3Aclosed) issues to ensure it has not already been reported ### Description Add a capability to compute the difference between 2 ReqIF objects. ### Steps to Reproduce NA ### System Configuration - ReqIFSharp version: - [x] ReqIFSharp: 5.0.0rc2 <!-- Thanks for reporting the issue to ReqIFSharp! -->