initial tests for issue #11

Test output:
```
$ ./runtest.sh 
..
Name                         Stmts   Miss  Cover   Missing
----------------------------------------------------------
multi_pserve                     0      0   100%   
multi_pserve.multi_pserver      53     18    66%   51, 55-62, 67-78
----------------------------------------------------------
TOTAL                           53     18    66%   
----------------------------------------------------------------------
Ran 2 tests in 0.013s

OK
```