Updates gitignore, adds test

.gitignore

@@ -1,9 +1,8 @@
 *.dSYM
 *.o
 *.pyc
+*.pyo
 *.so
 GPATH
 GRTAGS
 GTAGS
-libmultiply.so
-mj

test.py

@@ -89,6 +89,9 @@ def example7(a, b, c):
     def foo(a, b):
         return a*a - b*b
 
+    def bar(n):
+        return n+123456789
+
     test(example0)
     test(example1)
     test(example2)
@@ -98,6 +101,7 @@ def foo(a, b):
     test(example6)
     #test(example7) # works, but produces too much output
     test(foo)
+    test(bar)
 
     if not good:
         print("")