Reorging tests
Making agentsets of patches sortable
Fixing some list-sorting language tests
the real Vants works now

(removed the old Tortoise-only version from the models repo)
make TestModels support overriding dimensions

the old method of using `resize-world` to override was
unsatisfactory because the full-size world would get created
before we had a chance to override it, which could be very slow
for very large worlds (e.g. CA1D Benchmark)
add support for _clearturtles and _clearpatches
CA1D Benchmark crosses the finish line
State Machine Example crosses finish line

plus get newer version of Sandpile from models repo that
uses fewer workarounds (since tasks work now)
update model dumps
speed up TestModels by diminishing problem sizes

smaller worlds, shorter runs
Creating a handy, dandy 'jsengine' package
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
Adding SpiderMonkey support
Adding simple HTML test page for Tortoise engine
Adding comments to self for engine rewrite