add persistance
fix saveFile calls
remove act self reference
fixes for persistance environment
fix join not executing
Merge branch 'master' into persistance
fix last join being skipped
add startup file for persistance
fix for inf loading as nil
switch to act version of unserialize
better fix for inf issue
added action status to persistance
add move info to persistance
update internal fuel
fix resume
turtle turns always succeed
update tree_farm example
fix refuel wrapper
fix for extension not clearing persistance pointer
add count and predicate to extension variable execution