implement --timeout

urchin

@@ -155,15 +155,15 @@ recurse() {
           { 
             if $cycle_shell &&
               has_sh_or_no_shebang_line "$potential_test"; then
-              TEST_SHELL="$the_test_shell" "$the_test_shell" \
-                "$potential_test"
+              TEST_SHELL="$the_test_shell" $TIMEOUT \
+                "$the_test_shell" "$potential_test"
             else
               # Shell cycling is disabled with -n; use the present value of
               # TEST_SHELL or default to /bin/sh
               if [ -n "$TEST_SHELL" ]; then
-                "$potential_test"
+                $TIMEOUT "$potential_test"
               else
-                TEST_SHELL=/bin/sh "$potential_test"
+                TEST_SHELL=/bin/sh $TIMEOUT "$potential_test"
               fi
             fi
           } > "$(stdout_file "$potential_test" "$the_test_shell")" 2>&1
@@ -370,7 +370,6 @@ The following flags affect how Urchin processes tests.
                          configuration files with Urchin.
 -T, --timeout <seconds>  Kill a test if it runs for longer than the
                          specified duration. The default is no timeout.
-                         XXX Not yet implemented
 -f, --force              Force running even if the test directory's name
                          does not contain the word "test".