Squashed 'scripts/upandaway/wicker/' changes from 71c40c1..e710575

e710575 Replaced markovchain.lua with the documented version

git-subtree-dir: scripts/upandaway/wicker
git-subtree-split: e710575dad61f17ceccb9acb89f08a5e4c260abe
Replaced wicker's markovchain.lua with the documented one.
Moved markovchain.lua to wicker. Added GetStaticGenerator() to debugtools.lua.
Merge with debugman1s stuff.