Added test runner but need to fix failed test

.gitignore

@@ -1 +1,3 @@
 *~
+TEST_py*
+fat-test*/

run_test.py

@@ -0,0 +1,92 @@
+#!/usr/bin/env python
+# -*- mode:python -*-
+"""
+Simple runner for test.sh but it modifies it to explicily test python2 and 3
+"""
+from __future__ import print_function,unicode_literals
+import sys
+import os
+import shutil
+import subprocess
+
+if sys.version_info[0] <= 2:
+    from io import open
+
+
+# Build a dead-simple CLI. Not worth argparse, etc
+help="""\
+Run tests with specific versions
+
+    $ ./run_test.py # Both Python 2 and 3
+    $ ./run_test.py 2 # Only python2
+    $ ./run_test.py 3 # Only python3
+
+Any argument specified will be appended to the git-fat shebang. For example
+
+    $ ./run_test.py 2.6
+
+will change the shebang to 
+
+    #!/usr/bin/env python2.6
+
+Or specify more than one:
+
+    $ ./run_test.py 2 3 2.6
+
+"""
+vers = sys.argv[1:]
+if len(vers) == 0:
+    vers = ['2','3']
+
+if '-h' in vers or '--help' in vers:
+    print(help)
+    sys.exit()
+
+for ver in vers:
+    print('-='*20)
+    print('Testing %s' % ver)
+    print('-_'*20)
+
+    testdir = 'TEST_py%s' % ver
+    testdir = os.path.abspath(testdir)
+
+    # Delete the prior test dir and make a new one
+    if os.path.isdir(testdir):
+        shutil.rmtree(testdir)
+    os.makedirs(testdir)
+
+    shebang = '#!/usr/bin/env python%s\n' % ver
+    pathline = 'export PATH=%s:$PATH\n' % testdir
+
+    testfile = os.path.join(testdir,'test%s.sh' % ver)
+    fatfile = os.path.join(testdir,'git-fat')
+
+    # Write the files. Do not use multiple with's to support 2.6
+    with open('git-fat','rt') as infile:
+        with open(fatfile,'wt') as outfile:
+            infile.readline() # Skip shebang
+            outfile.write(shebang)
+            outfile.write(infile.read())
+
+    with open('test.sh','rt') as infile:
+        with open(testfile,'wt') as outfile:
+            outfile.write(infile.readline()) # copy shebang
+            outfile.write(pathline)
+            outfile.write(infile.read())
+
+    os.chmod(fatfile, 509)
+    os.chmod(testfile, 509)
+
+    try:
+        subprocess.check_call(['./test%s.sh' % ver],cwd=testdir)
+    except subprocess.CalledProcessError as err:
+        print('F'*60)
+        print(err,file=sys.stderr)
+        print('FAILED python %s'%ver,file=sys.stderr)
+        sys.exit(1)
+
+
+
+
+
+