Fix example and add note about turtles-in-radius including calling turtle
Update README.md
ignore texlipse settings
factor out monitored agent sets in prevision of ArrayAgentSet support in GraphContext
reword some error messages wrt graph context
Merge remote-tracking branch 'origin/master' into set-context
add path-through-different-breeds test for ArrayAgentSet contexts
add initial, naive, MonitoredArrayAgentSet
add tests for random equal paths
use shufflerator for Iterables, for #82