Search paths properly on import and execute __init__.py if it exists.
diff --git a/py/misc.h b/py/misc.h
index 0fad945..679a14b 100644
--- a/py/misc.h
+++ b/py/misc.h
@@ -12,8 +12,12 @@
/** generic ops *************************************************/
+#ifndef MIN
#define MIN(x, y) ((x) < (y) ? (x) : (y))
+#endif
+#ifndef MAX
#define MAX(x, y) ((x) > (y) ? (x) : (y))
+#endif
/** memomry allocation ******************************************/
@@ -93,6 +97,7 @@
/** non-dynamic size-bounded variable buffer/string *************/
#define CHECKBUF(buf, max_size) char buf[max_size + 1]; uint buf##_len = max_size; char *buf##_p = buf;
+#define CHECKBUF_RESET(buf, max_size) buf##_len = max_size; buf##_p = buf;
#define CHECKBUF_APPEND(buf, src, src_len) \
{ int l = MIN(src_len, buf##_len); \
memcpy(buf##_p, src, l); \