sq_lgr test 3-2, testing finer angles, in increments of 1 degrees
modified:   lagrange_square/sq_lgr.cc
new file:   lagrange_square/test3_2_vary_Angle.sh

Have changed the iterative solver tolerance to 150 to accommodate for
iteration counts higher than 110 (max is 110 for Noel 512,
but we're only using 256)