Add missing MixedBehaviorProfile.infoset_regret and MixedBehaviorProfile.max_regret to documentation index.

Author: tturocy

doc/pygambit.api.rst

@@ -212,8 +212,8 @@ Probability distributions over strategies
    MixedStrategyProfile.strategy_value
    MixedStrategyProfile.strategy_regret
    MixedStrategyProfile.player_regret
-   MixedStrategyProfile.max_regret
    MixedStrategyProfile.strategy_value_deriv
+   MixedStrategyProfile.max_regret
    MixedStrategyProfile.liap_value
    MixedStrategyProfile.as_behavior
    MixedStrategyProfile.normalize
@@ -239,14 +239,16 @@ Probability distributions over behavior
    MixedBehaviorProfile.__getitem__
    MixedBehaviorProfile.__setitem__
    MixedBehaviorProfile.payoff
-   MixedBehaviorProfile.action_regret
    MixedBehaviorProfile.action_value
+   MixedBehaviorProfile.action_regret
    MixedBehaviorProfile.infoset_value
+   MixedBehaviorProfile.infoset_regret
    MixedBehaviorProfile.node_value
    MixedBehaviorProfile.realiz_prob
    MixedBehaviorProfile.infoset_prob
    MixedBehaviorProfile.belief
    MixedBehaviorProfile.is_defined_at
+   MixedBehaviorProfile.max_regret
    MixedBehaviorProfile.liap_value
    MixedBehaviorProfile.as_strategy
    MixedBehaviorProfile.normalize