Bug fix:
Exception in thread "AWT-EventQueue-0" java.lang.IndexOutOfBoundsException: Index: 3, Size: 1
	at java.util.ArrayList.rangeCheck(ArrayList.java:604)
	at java.util.ArrayList.get(ArrayList.java:382)
	at javax.swing.JTabbedPane.setToolTipTextAt(JTabbedPane.java:1426)
	at org.domainmath.gui.packages.image.ImageToolFrame.open(ImageToolFrame.java:549)
	at org.domainmath.gui.packages.image.ImageToolFrame.open(ImageToolFrame.java:535)
	at org.domainmath.gui.packages.image.ImageToolFrame.openButtonActionPerformed(ImageToolFrame.java:411)
	at org.domainmath.gui.packages.image.ImageToolFrame.access$000(ImageToolFrame.java:47)
	at org.domainmath.gui.packages.image.ImageToolFrame$5.actionPerformed(ImageToolFrame.java:200)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
	at java.awt.Component.processMouseEvent(Component.java:6505)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
	at java.awt.Component.processEvent(Component.java:6270)
	at java.awt.Container.processEvent(Container.java:2229)
	at java.awt.Component.dispatchEventImpl(Component.java:4861)
	at java.awt.Container.dispatchEventImpl(Container.java:2287)
	at java.awt.Component.dispatchEvent(Component.java:4687)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
	at java.awt.Container.dispatchEventImpl(Container.java:2273)
	at java.awt.Window.dispatchEventImpl(Window.java:2713)
	at java.awt.Component.dispatchEvent(Component.java:4687)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:703)
	at java.awt.EventQueue.access$000(EventQueue.java:102)
	at java.awt.EventQueue$3.run(EventQueue.java:662)
	at java.awt.EventQueue$3.run(EventQueue.java:660)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
	at java.awt.EventQueue$4.run(EventQueue.java:676)
	at java.awt.EventQueue$4.run(EventQueue.java:674)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:673)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:216)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:135)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:123)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:119)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:111)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)
Bug fix:Structure containing function handle
Bug fix:Saving history
Added Save As menu