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/clinic/posixmodule.inc

@@ -967,8 +967,6 @@ exit:
 
 #endif /* defined(MS_WINDOWS) */
 
-#if defined(MS_WINDOWS)
-
 PyDoc_STRVAR(os__getfinalpathname__doc__,
 "_getfinalpathname($module, path, /)\n"
 "--\n"
@@ -986,18 +984,14 @@ os__getfinalpathname(PyObject *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     PyObject *path;
-
     if (!PyArg_Parse(arg, "U:_getfinalpathname", &path)) {
         goto exit;
     }
     return_value = os__getfinalpathname_impl(module, path);
-
 exit:
     return return_value;
 }
 
-#endif /* defined(MS_WINDOWS) */
-
 #if defined(MS_WINDOWS)
 
 PyDoc_STRVAR(os__isdir__doc__,
@@ -1017,23 +1011,18 @@ os__isdir(PyObject *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     path_t path = PATH_T_INITIALIZE("_isdir", "path", 0, 0);
-
     if (!PyArg_Parse(arg, "O&:_isdir", path_converter, &path)) {
         goto exit;
     }
     return_value = os__isdir_impl(module, &path);
-
 exit:
     /* Cleanup for path */
     path_cleanup(&path);
-
     return return_value;
 }
 
 #endif /* defined(MS_WINDOWS) */
 
-#if defined(MS_WINDOWS)
-
 PyDoc_STRVAR(os__getvolumepathname__doc__,
 "_getvolumepathname($module, /, path)\n"
 "--\n"
@@ -1053,19 +1042,15 @@ os__getvolumepathname(PyObject *module, PyObject **args, Py_ssize_t nargs, PyObj
     static const char * const _keywords[] = {"path", NULL};
     static _PyArg_Parser _parser = {"U:_getvolumepathname", _keywords, 0};
     PyObject *path;
-
     if (!_PyArg_ParseStack(args, nargs, kwnames, &_parser,
         &path)) {
         goto exit;
     }
     return_value = os__getvolumepathname_impl(module, path);
-
 exit:
     return return_value;
 }
 
-#endif /* defined(MS_WINDOWS) */
-
 PyDoc_STRVAR(os_mkdir__doc__,
 "mkdir($module, /, path, mode=511, *, dir_fd=None)\n"
 "--\n"