#104 crash after changing class

[AlanMcL]

ava.lang.ArrayIndexOutOfBoundsException: -1
at java.util.ArrayList.get(Unknown Source)
at mclachlan.maze.stat.LevelAbilityProgression.getForLevel(LevelAbilityProgression.java:93)
at mclachlan.maze.stat.Leveler.calcSpellPicks(Leveler.java:481)
at mclachlan.maze.stat.Leveler.rollbackInitialChanges(Leveler.java:466)
at mclachlan.maze.ui.diygui.LevelUpWidget.rollbackInitialChanges(LevelUpWidget.java:226)
at mclachlan.maze.ui.diygui.LevelUpWidget.updateState(LevelUpWidget.java:481)
at mclachlan.maze.ui.diygui.LevelUpWidget.actionPerformed(LevelUpWidget.java:587)
at mclachlan.diygui.toolkit.Widget.notifyListeners(Widget.java:288)
at mclachlan.diygui.toolkit.Widget.processMouseClicked(Widget.java:229)
at mclachlan.diygui.toolkit.DIYToolkit.mouseClicked(DIYToolkit.java:673)
at mclachlan.diygui.toolkit.DIYToolkit.processEvent(DIYToolkit.java:567)
at mclachlan.maze.ui.diygui.DiyGuiUserInterface$EventProcessor.run(DiyGuiUserInterface.java:1687)

[AlanMcL]

fixed
95f97ad35496044a820942e147e3b594954fc173