Solved a bug that occurred when parsing a goal composed of an empty `and` formula:
(:goal (and))
1.2.2
Solved a bug that occurred when parsing problems whose goal contained a single atom.
1.2.1
This release only contains some minimal, incremental changes:
- Support for changing the current state of the problem - Methods for obtaining the names, types and indexes of objects - A method for obtaining the PDDL encoding of the entire problem
1.2.0
Added limited support for negative preconditions, i.e., negated atoms in action preconditions.
1.1.0
Added support for existential preconditions, i.e., _exists_ keyword in action preconditions.