* Added tester for wpylib.iofmt submodules and objects: first test is for

text_output "with" invocation.

TESTS/test_iofmt.py

@@ -0,0 +1,19 @@
+
+
+def test_with_text_output1():
+  """[20140804]
+  Test text_output with() facility."""
+  from wpylib.iofmt.text_output import text_output
+  from wpylib.shell_tools import run
+  from os import getpid, system
+  mypid = getpid()
+  print "pid = %d" % mypid
+  print "Open files:"
+  system("lsof -p %d" % mypid)
+  print "### entering the 'with' block"
+  with text_output("/tmp/babiku") as O:
+    O("this is a test from pid %d\n" % mypid)
+    system("lsof -p %d | tail" % mypid)
+    print "### closing now"
+  system("lsof -p %d | tail" % mypid)
+