Drop obsolete TODOs
Trivial renames
Factor out addWeightedTransitions
Refactor addTokens
Refactor chain
Refactor choose
Move tokenRel declaration
2.1.1
Make tokenRel anti-reflexive
Add/use inSortMerge
Copy inserted tokens
Subsume mergeTransitions
2.2.0
test/object: refactor module structure
test/object: subsume createTestObjects
test/object: factor out TestObject
TestObject: factor out .create()
TestObject: factor out .initialExpectation()
TestObject: factor out .init()
TestObject: delay expectation initialization