Bug - Fixed NPE attempting to make/use tempura air

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        KoLmafia v16.8 r15562, Windows 8.1, Java 1.8.0_40
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 Please note: do not post this log in the KoLmafia thread of KoL's
 Gameplay-Discussion forum. If you would like the KoLmafia dev team
 to look at it, please write a bug report at kolmafia.us. Include
 specific information about what you were doing when you made this
 and include this log as an attachment.
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 Timestamp: Mon Mar 09 19:20:52 GMT 2015
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Unexpected error, debug log printed.
class java.lang.NullPointerException: null
java.lang.NullPointerException
	at net.sourceforge.kolmafia.objectpool.Concoction.getAdventuresNeeded(Concoction.java:1335)
	at net.sourceforge.kolmafia.session.InventoryManager.doRetrieveItem(InventoryManager.java:779)
	at net.sourceforge.kolmafia.session.InventoryManager.retrieveItem(InventoryManager.java:446)
	at net.sourceforge.kolmafia.session.InventoryManager.retrieveItem(InventoryManager.java:382)
	at net.sourceforge.kolmafia.session.InventoryManager.retrieveItem(InventoryManager.java:372)
	at net.sourceforge.kolmafia.request.UseItemRequest.run(UseItemRequest.java:1425)
	at net.sourceforge.kolmafia.RequestThread.postRequest(RequestThread.java:286)
	at net.sourceforge.kolmafia.RequestThread.postRequest(RequestThread.java:249)
	at net.sourceforge.kolmafia.textui.command.UseItemCommand.use(UseItemCommand.java:259)
	at net.sourceforge.kolmafia.textui.command.UseItemCommand.use(UseItemCommand.java:82)
	at net.sourceforge.kolmafia.textui.command.UseItemCommand.run(UseItemCommand.java:76)
	at net.sourceforge.kolmafia.KoLmafiaCLI.doExecuteCommand(KoLmafiaCLI.java:596)
	at net.sourceforge.kolmafia.KoLmafiaCLI.executeCommand(KoLmafiaCLI.java:549)
	at net.sourceforge.kolmafia.KoLmafiaCLI.executeLine(KoLmafiaCLI.java:450)
	at net.sourceforge.kolmafia.KoLmafiaCLI.executeLine(KoLmafiaCLI.java:318)
	at net.sourceforge.kolmafia.swingui.CommandDisplayFrame$CommandQueueHandler.handleQueue(CommandDisplayFrame.java:187)
	at net.sourceforge.kolmafia.swingui.CommandDisplayFrame$CommandQueueHandler.run(CommandDisplayFrame.java:163)