added LogBarrierCost and LogBarrierCostTransformer
Fixed goal getter/setter syntax
Minor bug fixes
Reverted ILQR back to the version in commit, added a timeout, and fixed multistep clipping
Fixed Tunable.fix_hyperparameters such that the hyperparameter is a ConfigSpace.Constant
Fixed ParallelEvaluator and made it default
Changed cs_utils.set_hyper_bounds such that the default value and log can also be changed (maybe redundant with set_hyperparameter_logs and set_hyperparameter_default
This pull request made following changes: \