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.