- sanitze event relations so they're pastable.

- make all bad reads bad, since my reading of the model says that none
  of the exceptions are correct.

- fix some warnings.
Fix typo, fix meaning of KeepFiles boolean
Merge pull request #162 from basho/pevm-pulse-tweaks-multifold2

Pevm pulse tweaks multifold2

Reviewed-by: slfritchie