add smoke tests for the new modules

test/tests/bz2_test.py

+import bz2
+print bz2.decompress(bz2.compress("hello world"))

test/tests/curses_test.py

+import curses, sys
+
+try:
+    try:
+        curses.initscr()
+
+        print 1
+        print curses.version
+        print curses.longname()
+        print curses.baudrate()
+        print curses.can_change_color()
+        curses.start_color()
+        print curses.color_pair(curses.A_BLINK)
+    finally:
+        curses.endwin()
+except:
+    print sys.exc_info()[1]

test/tests/grp_test.py

+import grp
+print grp.getgrnam("root")

test/tests/termios_test.py

+import termios, sys
+fd = sys.stdout.fileno()
+try:
+    print termios.tcgetattr(fd)
+except:
+    print sys.exc_info()[1]