Changed error vectors from lists to vectors for optimization of lexicase.
Merge branch 'master' into lexicase-vector-speedup
Merge branch 'master' into lexicase-vector-speedup
Merge branch 'master' into lexicase-vector-speedup
calc refinement including geolexicase and germ-line-only noops
Merge branch 'master' into working
Merge branch 'master' into lexicase-vector-speedup
Merge branch 'master' into working
bushy-fix
Fixed merge conflicts.
Merge branch 'master' into lexicase-vector-speedup
calc mods
Merge branch 'master' into working
Merge branch 'master' into working
Merge branch 'master' into lexicase-vector-speedup

Conflicts:
	src/clojush/evaluate.clj
Merge branch 'master' into working
Merge branch 'master' into lexicase-vector-speedup
Fixed levenshtein distance for empty sequences. Also, removed extraneous
line from agent error handlers.
calc experimentation
Merge remote branch 'thelmuth/fix-levenshtein'