- betterStates returns false if a state is not valid, and an array in   all other cases (empty or not)
- betterStates returns false if a state is not valid, and an array in
  all other cases (empty or not)


marcosptf/pear-core,marcosptf/pear-core,marcosptf/pear-core,marcosptf/pear-core,marcosptf/pear-core,marcosptf/pear-core