in partial completion of #39

which appears to fix #36

so we get less "1 or 2 or 1 or 1 or 2" kind of stuff

so we don't get "1 or 2 or 1 or 1 or1" kind of stuff

closes #41

fixes #42

for mass assignment purposes

closes #34

should fix #35

Add slightly prettier reports for rescanning

instead of throwing an exception

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