I actually sorted this out just a few minutes ago: sunPos() is actually not the problem, the issue was any reference to delay() was breaking my ethernet shield's /GET to my php script. I'm not sure what the deal is with that. I also noticed if I had anything in the loop() after the php script, it would fail, so I either moved everything before it, or in some cases broke them out into another Function. At this point everything is working 100% normal.
My last step before getting this thing functional and outside, is to complete the brackets for the two stepper motors on the tracking rig, and also when I get home tonight, verify that my stepper motors are actually running as the code says it is 