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

libc/nt/kernel32/GetVersionExA.s

@@ -1,2 +1,15 @@
 .include "o/libc/nt/codegen.inc"
 .imp	kernel32,__imp_GetVersionExA,GetVersionExA,0
+
+	.text.windows
+GetVersionExA:
+	push	%rbp
+	mov	%rsp,%rbp
+	.profilable
+	mov	%rdi,%rcx
+	sub	$32,%rsp
+	call	*__imp_GetVersionExA(%rip)
+	leave
+	ret
+	.endfn	GetVersionExA,globl
+	.previous

libc/nt/kernel32/GetVersionExW.s

@@ -1,2 +1,15 @@
 .include "o/libc/nt/codegen.inc"
 .imp	kernel32,__imp_GetVersionExW,GetVersionExW,0
+
+	.text.windows
+GetVersionEx:
+	push	%rbp
+	mov	%rsp,%rbp
+	.profilable
+	mov	%rdi,%rcx
+	sub	$32,%rsp
+	call	*__imp_GetVersionExW(%rip)
+	leave
+	ret
+	.endfn	GetVersionEx,globl
+	.previous

libc/nt/kernel32/GetVolumePathNameA.s

@@ -1,2 +1,12 @@
 .include "o/libc/nt/codegen.inc"
 .imp	kernel32,__imp_GetVolumePathNameA,GetVolumePathNameA,807
+
+	.text.windows
+GetVolumePathNameA:
+	push	%rbp
+	mov	%rsp,%rbp
+	.profilable
+	mov	__imp_GetVolumePathNameA(%rip),%rax
+	jmp	__sysv2nt
+	.endfn	GetVolumePathNameA,globl
+	.previous

libc/nt/kernel32/GetVolumePathNameW.s

@@ -1,2 +1,12 @@
 .include "o/libc/nt/codegen.inc"
 .imp	kernel32,__imp_GetVolumePathNameW,GetVolumePathNameW,0
+
+	.text.windows
+GetVolumePathName:
+	push	%rbp
+	mov	%rsp,%rbp
+	.profilable
+	mov	__imp_GetVolumePathNameW(%rip),%rax
+	jmp	__sysv2nt
+	.endfn	GetVolumePathName,globl
+	.previous