REF more cleanup
FIX backup check in resize()
FIX attemptMark() now really returns correct value
ADD move 2 d lock array to seperate class
FIX, REF avoid problems with pointers by using cuckoolock instead of nasty std::recursive_mutex *(*the_lock)[2]
REF cleanup DOC
FIX delete cuckoolock in destuctor of cuckooset