Merge pull request #1143 from ahomatthew/develop

fix for sorting
Unit deg fix for tol fail
Merge branch 'develop' of github.com:sightmachine/SimpleSeer into develop
fix for the double save bug
Merge pull request #1145 from Tendrid/develop

fix for the double save bug
Merge pull request #1144 from brooksryba/develop

Develop
Fix deleting tolerance issues