Update including breaking change

• Removed is_writable() from DataSink (Resolve #1478, too) (#1483) - This is a breaking change.
• add to_human_string (#1467)
• Issue 52666: cpp-httplib:server_fuzzer: Timeout in server_fuzzer

Some updates

• Support LOCAL_ADDR and LOCAL_PORT header in client Request (#1450)
• Add EINTR and EAGAIN judge for accept (#1438)
• Add support for requests with both MultipartFormDataItems and Content Providers (#1454)

Bug fixes

• duration_to_sec_and_usec narrowing #1426
• EXCEPTION_WHAT is not set if exception text contains newlines #1437
• Windows CMake directory install fix #1434
• Post function donnot have the implement which only has path, header #1421
• undef poll at the end if CPPHTTPLIB_USE_POLL #1427
• Get client process id over ip/port when server runs on UNIX socket. #1418
• avoid lockup in ThreadPool::shutdown() on legacy host #1417
• upport compilation on AIX #1402

v0.11.2

• Add multipart form-data for PUT requests. (#1351)
• Issue 49740 in oss-fuzz: cpp-httplib:server_fuzzer: Timeout in server_fuzzer
• build: set soversion to major.minor (#1357)
• Detecting client disconnection (#1373)

Some updates

• Issue 49512: cpp-httplib:server_fuzzer: Timeout in server_fuzzer
• Add socket method to Client (#1341)
• UNIX domain socket support (#1346)

Some breaking changes

• No longer support VS 2013 and older
• Changed to use std::exception_ptr in exception handler
• Changed to use const std::string & as much as possible instead of const char *

Fix problem with multipart/form-data parsing

Skip preamble and epilogue in multipart/form-data (Fix #1317)

Bug fixes

• Http server can't send file large than 2GB (#1290)
• LeakSanitizer: Memory leak in hosted_at (#1303)

Accept large data transfer over SSL (#1261)

Accept large data transfer over SSL (#1261)

CPPHTTPLIB_VERSION support

CMake fails after commit 33f6738 (#1251)