added inverse_reachablity_with_given_coords
added make-coords-list function
renamed make_sumple function
Merge remote-tracking branch 'origin/master' into added_inverse_reachablity-with-given-coords
Merge pull request #183 from YuOhara/added_inverse_reachablity-with-given-coords

added inverse_reachablity_with_given_coords