-The code is now complete YAY!

General:
-added boolean to AtomConverter
-fixed a bug where AtomConverter would not serialize double correctly
-fixed a bug where the LocalNodeContainer would not stop the nodes when called from a non-node (main thread).
-fixed a bug where SharedUtil.joindIgnoreInterrupts() would infinite loop.
-added a more complex test case.

-implemented the following methods for RemoteSlaveNode and SlaveThreadNode: getTasks(), getRunningTaskInstance(), getTaskResult(), isTaskInstanceDone(), getTaskInstance()