ignoring Mac files
problem 8 working
hackercup problem A working
attempting to test clojure; adding scrap file
WIP problem 7
problem 9 working probably
working problem 9 in java and clojure
modified problem 8 to use the threading macro for better readability and added tests to squeeze out a bug
some random garbage in problem 5
adding ruby testing support
problem 10 with working sieve in java and terribly slow O(n^2) implementation in clojure
moving slow problem 10 to diff file
WIP problem 28. almost there but not for large values including euler challenge value
finished problem 28
starting problem 10 again