euler with test
more problems
sudoku
problem 2
Merge branch 'master' of https://github.com/huguogang/Web

Conflicts:
	test/euler.js
refactor
single position
Sudoku solver
sudoku
a couple of more solved
more
more
passcode derivation
passcode derivation
small test dataset
problem 185, this version is not fast enough

1,000,000 scans only up to 00469..., took 55 seconds
problem 185 performance is not good enough
Merge pull request #9 from huguogang/master

sync