Fix CFI code following SciTech work
Quick fix of the CFI code based on the AIAA SciTech work. One skips the new type of CFI objects being groups of bodies. The other one skips non-numbered nodes instead of throwing an error.
Quick fix of the CFI code based on the AIAA SciTech work. One skips the new type of CFI objects being groups of bodies. The other one skips non-numbered nodes instead of throwing an error.