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/fmt/atoi.c

@@ -24,6 +24,16 @@
 /**
  * Decodes decimal integer from ASCII string.
  *
+ *     atoi 10⁸              22𝑐         7𝑛𝑠
+ *     strtol 10⁸            37𝑐        12𝑛𝑠
+ *     strtoul 10⁸           35𝑐        11𝑛𝑠
+ *     wcstol 10⁸            30𝑐        10𝑛𝑠
+ *     wcstoul 10⁸           30𝑐        10𝑛𝑠
+ *     strtoimax 10⁸         80𝑐        26𝑛𝑠
+ *     strtoumax 10⁸         78𝑐        25𝑛𝑠
+ *     wcstoimax 10⁸         77𝑐        25𝑛𝑠
+ *     wcstoumax 10⁸         76𝑐        25𝑛𝑠
+ *
  * @param s is a non-null nul-terminated string
  * @return the decoded signed saturated integer
  */