diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..627be9d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+
+*.o
+
+tbb
+
diff --git a/bubulles.h b/bubulles.h
index 92901a4..8b1fd0e 100644
--- a/bubulles.h
+++ b/bubulles.h
@@ -4,10 +4,11 @@
 
 /* --------------------------------------------------------------------- */
 
-#define LIBBB_VERSION	40
+#define LIBBB_VERSION	48
 
 #define SZ_BUBULLE_TEXT		51		/* arbitrary value */
 
+/* a 3d space coordinate */
 typedef struct {
 	double		x, y, z;
 	unsigned long	reserved;
@@ -54,7 +55,7 @@ int niceprint_bubulle(Bubulle *what, int unused);
 int bubulles_to_data(char *fname, char *title, BBList *bbl, int k);
 
 /* --------------------------------------------------------------------- */
-
+/* sometime we want to look at the bounding box */
 typedef struct {
 	double		minX, minY, minZ;
 	double		maxX, maxY, maxZ;
diff --git a/tbb.c b/tbb.c
index ecef4d3..1ed9251 100644
--- a/tbb.c
+++ b/tbb.c
@@ -101,11 +101,13 @@ int main(int argc, char *argv[])
 {
 int		foo;
 
+printf("*** Bubulles Testing -- %s %s\n", __DATE__, __TIME__);
+
 bubulles_version(0);
 
-// test_alloc_free(5);
-// test_push_pop(2000);
-// test_cleanfill_my_bublist(999);
+test_alloc_free(5);
+test_push_pop(2000);
+test_cleanfill_my_bublist(999);
 
 foo = test_peek_poke(5000);
 fprintf(stderr, "test peek/poke -> %d\n", foo);