Make numerous improvements

- Python static hello world now 1.8mb
- Python static fully loaded now 10mb
- Python HTTPS client now uses MbedTLS
- Python REPL now completes import stmts
- Increase stack size for Python for now
- Begin synthesizing posixpath and ntpath
- Restore Python \N{UNICODE NAME} support
- Restore Python NFKD symbol normalization
- Add optimized code path for Intel SHA-NI
- Get more Python unit tests passing faster
- Get Python help() pagination working on NT
- Python hashlib now supports MbedTLS PBKDF2
- Make memcpy/memmove/memcmp/bcmp/etc. faster
- Add Mersenne Twister and Vigna to LIBC_RAND
- Provide privileged __printf() for error code
- Fix zipos opendir() so that it reports ENOTDIR
- Add basic chmod() implementation for Windows NT
- Add Cosmo's best functions to Python cosmo module
- Pin function trace indent depth to that of caller
- Show memory diagram on invalid access in MODE=dbg
- Differentiate stack overflow on crash in MODE=dbg
- Add stb_truetype and tools for analyzing font files
- Upgrade to UNICODE 13 and reduce its binary footprint
- COMPILE.COM now logs resource usage of build commands
- Start implementing basic poll() support on bare metal
- Set getauxval(AT_EXECFN) to GetModuleFileName() on NT
- Add descriptions to strerror() in non-TINY build modes
- Add COUNTBRANCH() macro to help with micro-optimizations
- Make error / backtrace / asan / memory code more unbreakable
- Add fast perfect C implementation of μ-Law and a-Law audio codecs
- Make strtol() functions consistent with other libc implementations
- Improve Linenoise implementation (see also github.com/jart/bestline)
- COMPILE.COM now suppresses stdout/stderr of successful build commands

test/libc/runtime/memtrack_test.c

@@ -320,19 +320,3 @@ TEST(ReleaseMemoryIntervals, TestWeirdGap) {
   mm[1].p = mm[1].s;
   EXPECT_NE(-1, RunReleaseMemoryIntervalsTest(mm, 15, 25));
 }
-
-TEST(ReleaseMemoryIntervals, TestOutOfMemory_AllocatesMore) {
-  int i;
-  struct MemoryIntervals *mm;
-  mm = calloc(1, sizeof(struct MemoryIntervals));
-  mm->n = OPEN_MAX;
-  mm->p = mm->s;
-  for (i = 0; i < OPEN_MAX * 2; ++i) {
-    CHECK_NE(-1, TrackMemoryInterval(mm, i * 10, i * 10 + 8, 0, 0, 0));
-  }
-  CheckMemoryIntervalsAreOk(mm);
-  CHECK_EQ(0, ReleaseMemoryIntervals(mm, 4, 4, NULL));
-  CheckMemoryIntervalsAreOk(mm);
-  free(mm->p);
-  free(mm);
-}