Initial commit
A rough version of finding separators in random selection.
clean up and add comments
add more comments and clean up the code.
changed lots of code. now it is a cleaner way to do random random search.
change file name.
change file name.
fix a bug. add one more handler to remove the fake separators which are only connected to the other separators and the opposite side.
add accessor functions.
add randome dfs search.
add testing function.
finish degree based search.
add comparators.
add boolean test variable.
update degree based search.
add degr comparator.
add sort in increasing order.
add comparators.
add separator modification.
add separator modification.