typo in README
add motivation
bump version number
remove goal_tuple_eval
add early goal documentation
minor edits to README
add to assoccomm docstring
add docs section
indent code blocks
conde, lall, lany
fix commutative example
move prime code to examples
rename math.py to prime.py
fix endline issue in examples/states.py
reorganize comments in examples/corleone.py
remove operation function
run calls reify, not walk*
bump version number
add groupbyadd groupby
add earlysafe. remove try-except blocks

This commit noticibly slows down tests.