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/Lib/test/test_wsgiref.py

@@ -1,3 +1,4 @@
+import cosmo
 from unittest import mock
 from test import support
 from test.test_httpservers import NoLogRequestHandler
@@ -171,22 +172,23 @@ class IntegrationTests(TestCase):
             " be of type list: <class 'tuple'>"
         )
 
+    @unittest.skipIf(cosmo.MODE in ('tiny', 'rel'),
+                     "no asserts in rel mode")
     def test_status_validation_errors(self):
         def create_bad_app(status):
             def bad_app(environ, start_response):
                 start_response(status, [("Content-Type", "text/plain; charset=utf-8")])
                 return [b"Hello, world!"]
             return bad_app
-
         tests = [
             ('200', 'AssertionError: Status must be at least 4 characters'),
             ('20X OK', 'AssertionError: Status message must begin w/3-digit code'),
             ('200OK', 'AssertionError: Status message must have a space after code'),
         ]
-
         for status, exc_message in tests:
             with self.subTest(status=status):
                 out, err = run_amock(create_bad_app(status))
+                print("got", out)
                 self.assertTrue(out.endswith(
                     b"A server error occurred.  Please contact the administrator."
                 ))