new tolerances and other bug fixes related to validation issues that came up from trying to do the tolerance stuff
Added backfill flag
Moved around backfill
Removed .ds_store apparently
Fixed do backfill
Merge pull request #1089 from ahomatthew/develop

new tolerances and other bug fixes related to validation issues that cam...
Merge pull request #1088 from brooksryba/develop

Develop
Fix
Merge branch 'develop' of github.com:sightmachine/SimpleSeer into develop