fix comment
Add empty!
Add atan!
minor code improvement
make an annoying warning when opening sbt go away
rename agentFilter -> with
Revert "rename agentFilter -> with"

This reverts commit a9a0648427a852e3b9d8ab02e6dab7b03b8ab4df.

Doh. "with" is reserved in JavaScript
add comment
use .sbt not .scala for language tests

- because with sbt 0.13 there's no longer any need for .scala
  in most cases
- because the same code is already that way in the NetLogo repo
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show test failures again at end, after all tests complete

thank you http://stackoverflow.com/q/21806312/86485
upgrade ScalaTest (2.1.0) and ScalaCheck (1.11.3)

just keeping current. and matching what's in the headless branch
of the NL repo. and paving the way for moving to Scala 2.11.
Introducing Benchmarker 1.0
Adding version number of JS engine to benchmark

It just makes sense to include version numbers of external libraries
into the benchmarks, since changing version numbers can change speed.
Minor package-pushing (refactoring)
Pumping up the private sector
Refactoring trait to use a type variable

It's just easier to deal with unification/parameterization this way
Adding SpiderMonkey support
Fixing tests

Derp
Making Tortoise Shell work again

Whoops