I edited my camera settings but they do not change in game. I've tried making it read only and I've tried copying it to my desktop, editing it, and then moving it back into the game folder.
<var name="e4_maxcampitch" value="90." />
<var name="e4_maxcamz" value="7500" />
<var name="e4_mincampitch" value="15." />
<var name="e4_mincamz" value="20." />