Make exciting improvements

- Add Lua backtraces to redbean!
- Wipe serving keys after redbean forks
- Audit redbean to remove free via exit
- Log SSL client ciphersuite preferences
- Increase ASAN malloc() backtrace depth
- Make GetSslRoots() behave as a singleton
- Move leaks.c from LIBC_TESTLIB to LIBC_LOG
- Add undocumented %n to printf() for newlines
- Fix redbean memory leak reindexing inode change
- Fix redbean memory leak with Fetch() DNS object
- Restore original environ after __cxa_finalize()
- Make backtrace always work after __cxa_finalize()
- Introduce COUNTEXPR() diagnostic / benchmark tool
- Fix a few more instances of errno being clobbered
- Consolidate the ANSI color disabling internal APIs

tool/build/blinkenlights.c

@@ -41,6 +41,7 @@
 #include "libc/limits.h"
 #include "libc/log/check.h"
 #include "libc/log/color.internal.h"
+#include "libc/log/internal.h"
 #include "libc/log/log.h"
 #include "libc/macros.internal.h"
 #include "libc/math.h"
@@ -3114,7 +3115,7 @@ int main(int argc, char *argv[]) {
   speed = 32;
   SetXmmSize(2);
   SetXmmDisp(kXmmHex);
-  if ((colorize = cancolor())) {
+  if ((colorize = !__nocolor)) {
     g_high.keyword = 155;
     g_high.reg = 215;
     g_high.literal = 182;