Small debug output changes
Merge pull request #23 from davetcoleman/minor_changes2

Small debug output changes
doc fixes, update .gitignore
don't include two pointers to spaceinformation in SteeredControlSampler
update py++ toolchain
doc fix: emphasize that MORSE extension requires python3
add LazyPRM*
Merge remote-tracking branch 'upstream/master' into CForest

upstream update