Much better debugging, but it still doesn't work

src/debug.h

@@ -0,0 +1,28 @@
+/**
+ * debug.h
+ *
+ * Better debug log messages.
+ *
+ * (c) 2017 Simon Brooke <simon@journeyman.cc>
+ * Licensed under GPL version 2.0, or, at your option, any later version.
+ */
+
+#include <ctype.h>
+#include <stdio.h>
+
+#ifndef __debug_print_h
+#define __debug_print_h
+
+#define DEBUG_ALLOC 1
+#define DEBUG_STACK 2
+#define DEBUG_ARITH 4
+#define DEBUG_EVAL 8
+#define DEBUG_LAMBDA 16
+#define DEBUG_BOOTSTRAP 32
+#define DEBUG_IO 64
+
+extern int verbosity;
+void debug_print( wchar_t *message, int level );
+void debug_print_object( struct cons_pointer pointer, int level );
+void debug_dump_object( struct cons_pointer pointer, int level );
+#endif