Merge branch 'master' into jtscala-vertices-envelope-length
Started adding unit tests to LineSpec and updating Results.scala along the way
Merge branch 'master' into jtscala-results
Added unit tests for LineSpec and intersection
WIP, refactoring LocalMethods
Merged in master
Fixed errors caused by merging master. Compiling successfully and passing all tests
Add localEqual, but had to use a different operator.

The three equals (===) conflicts with the ScalaTest ===.
I made it ==== for now. I'm not sure how to resolve this.
Add localUnequal.
Add localGreater.
Fix a bug with right associative localGreater.
Add localLess.
Add missing test to GreaterSpec.
Add localGreaterOrEqual.
Add localLessOrEqual.
Add localAbs.
Add localSinh.
Add localSin.
Add localCos.
Add localTan.