optional grid in graphs
 corrected nearest pair alg and distinct colors in all map
 add load and comment to csv results
 test suit completed successfully
end
Merge branch 'feature/polish-test-structure' into develop
 max distance done. heuristics class created
super  class object
Merge branch 'feature/max-distance-for-each-test' into develop
swap 2 points started
temp commit
 temp commit
 2point move heuristics
Merge branch 'feature/test-swap-2-points' into develop
Merge branch 'release/v0.4'