v1.4.0

• add Grid search parameter that changes direction of search
• add SMBO parameter that enables to avoid replacement of the sampling
• fix bug in transition probability of stochastic-hill-climbing and simulated-annealing

v1.3.0

add support for constrained optimization

v1.2.0

• add DIRECT algorithm
• automatically add random initial positions if necessary (often requested)

v1.0.1

v1.0.1