Fix for Issue #1172: fscanf fails to parse numbers separated by whitespace

Two commits:

    commit 179dfed363127088299179f252b88e8abc3ff3be
    Author: Anthony Thibault <ajt@hyperlogic.org>
    Date:   Sun May 19 10:23:38 2013 -0700
    
        Issue #1172: fix for fscanf

    commit 4e66f07c04a2fd118b7f7aa1280f62974b77e48d
    Author: Anthony Thibault <ajt@hyperlogic.org>
    Date:   Sun May 19 10:22:06 2013 -0700
    
        Issue #1172: added test_fscanf to runner.py