code: public Object get( String name ) throws EvalError {
          try {
              Object ret = globalNameSpace.get( name, this );
              return Primitive.unwrap( ret );
          } catch ( UtilEvalError e ) {
              throw e.toEvalError( SimpleNode.JAVACODE, new CallStack() );
          }
      }
docs: Get the value of the name.
  name may be any value. e.g. a variable or field