Improve Racket code - #21

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elibarzilay wants to merge 6 commits into

logicchains:masterfrom

elibarzilay:master

Commits on Dec 20, 2014

Make it possible to read the code without having my eyes bleed.
elibarzilay
committed
f4cd635
Solve the mess around `str->int`.
elibarzilay
committed
2d3e1fe
Improve reading code.
elibarzilay
committed
8f94148
Functional: pass around a list of visited node numbers instead of a global vector.
elibarzilay
committed
caba702
Functional: use objects instead of numbers pointing to objects.
elibarzilay
committed
67fca05
Back to mutation for visited flags, only keep it in the objects.
elibarzilay
committed
fbdad35