Methods:
<boolean>setTest <node>action
Sets the test to connect the arrow from.
<boolean>setActionList <node>actionList
Sets the action list to connect the arrow to.
<node>getTest()
Returns the test the arrow is connected from.
<node>getActionList()
Returns the Action Test the arrow is connected to.
<boolean>activate()
Activates the arrow.
<boolean>deactivate()
Deactivates the arrow.
<boolean>isActive()
Returns true if the arrow is active, false if it is not.