Checks to see if config option has been changed before going any further for several config options.
Checks to see if config option has been changed before going any further for several config options.

N of 1 testing indicates that it may help with latency.

lordofhyphens/Slic3r,pieis2pi/Slic3r,alexrj/Slic3r,alexrj/Slic3r,curieos/Slic3r,lordofhyphens/Slic3r,pieis2pi/Slic3r,curieos/Slic3r,alexrj/Slic3r,alexrj/Slic3r,alexrj/Slic3r,lordofhyphens/Slic3r,pieis2pi/Slic3r,pieis2pi/Slic3r,curieos/Slic3r,pieis2pi/Slic3r,lordofhyphens/Slic3r,pieis2pi/Slic3r,lordofhyphens/Slic3r,alexrj/Slic3r,curieos/Slic3r,curieos/Slic3r,lordofhyphens/Slic3r,curieos/Slic3r