Use defparameter instead of defconstant for +settings-file-name+ because the string value is not EQ to the same string (see http://www.sbcl.org/manual/Defining-Constants.html#Defining-Constants)
Use defparameter instead of defconstant for +settings-file-name+ because the string value is not EQ to the same string (see http://www.sbcl.org/manual/Defining-Constants.html#Defining-Constants)

cl-test-grid/cl-test-grid,cl-test-grid/cl-test-grid,d35h/cl-test-grid,cl-test-grid/cl-test-grid,cl-test-grid/cl-test-grid,d35h/cl-test-grid,cl-test-grid/cl-test-grid