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

third_party/python/Modules/zipimport.c

@@ -1396,9 +1396,7 @@ static time_t
 parse_dostime(int dostime, int dosdate)
 {
     struct tm stm;
-
-    memset((void *) &stm, '\0', sizeof(stm));
-
+    bzero((void *) &stm, sizeof(stm));
     stm.tm_sec   =  (dostime        & 0x1f) * 2;
     stm.tm_min   =  (dostime >> 5)  & 0x3f;
     stm.tm_hour  =  (dostime >> 11) & 0x1f;
@@ -1406,7 +1404,6 @@ parse_dostime(int dostime, int dosdate)
     stm.tm_mon   = ((dosdate >> 5)  & 0x0f) - 1;
     stm.tm_year  = ((dosdate >> 9)  & 0x7f) + 80;
     stm.tm_isdst =   -1; /* wday/yday is ignored */
-
     return mktime(&stm);
 }