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/Python/dynload_shlib.c

@@ -54,16 +54,13 @@ _PyImport_FindSharedFuncptr(const char *prefix,
     char funcname[258];
     char pathbuf[260];
     int dlopenflags=0;
-
     if (strchr(pathname, '/') == NULL) {
         /* Prefix bare filename with "./" */
         PyOS_snprintf(pathbuf, sizeof(pathbuf), "./%-.255s", pathname);
         pathname = pathbuf;
     }
-
     PyOS_snprintf(funcname, sizeof(funcname),
                   LEAD_UNDERSCORE "%.20s_%.200s", prefix, shortname);
-
     if (fp != NULL) {
         int i;
         struct _Py_stat_struct status;
@@ -82,11 +79,8 @@ _PyImport_FindSharedFuncptr(const char *prefix,
             handles[nhandles].ino = status.st_ino;
         }
     }
-
     dlopenflags = PyThreadState_GET()->interp->dlopenflags;
-
     handle = dlopen(pathname, dlopenflags);
-
     if (handle == NULL) {
         PyObject *mod_name;
         PyObject *path;