Processing 2.1.1 is incompatible with Java 10

[PtrMan]

• Code is relying on processing 2.1.1 and incompatible with processing 3.x.x
• processing 2.1.1 crashes in a Java 10 Environment

Exception in thread "main" java.lang.ExceptionInInitializerError
at org.opennars.lab.microworld.Pong.(Pong.java:47)
at org.opennars.lab.microworld.Pong.main(Pong.java:1336)
Caused by: java.lang.StringIndexOutOfBoundsException: begin 0, end 3, length 2
at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3107)
at java.base/java.lang.String.substring(String.java:1873)
at processing.core.PApplet.(PApplet.java:182)
... 2 more

[patham9]

If someone is motivated to change the dependency and test the existing examples in Launcher with the new Processing version, we can move to 3.x.x. But don't waste your time, core is more important.