Beginnings, mostly skeleton, bounds checking and test case.
allow features to be at 0
Dispatch getX calls to a new private __getFeature method.
Implemented adding features and the addKitten external method.
Initial commit.
walkAd implementation without using a get-next function.
Implemented stasis and random walk functions.  Apply walking function.
Implemented stasis and random walk functions.  Apply walking function.
default log level should be info not debug
a sample test output file
implemented the ButtonMagnet walker