Libuhttpd Versions Save

abaedee build: Fix check dlopen

ac25a30 build: Check if libdl exists in the system

08c8f6e src/CMakeLists.txt: fix static build with openssl

f519036 Fix return value while parse header 040763a Support parse url 5f4f6e0 support plugin eb66e8e http-parser: Use submodule

6f2357d Fix build error on 32-bit platform

471e4fe Use libev instead of libubox

390ed18 Fix bug: too many arguments for ustream_printf

fad98b8 Fix compile err on old gcc

b824834 Lua binding: Fix bug: Memory leak 34e94f6 Lua binding: Make the code more robust ddf6e8d libuhttpd: New callback: on_accept 52f35b9 Lua binding: Improve performance 782f6ae Fix typo: HTTP_MSG -> HTTP_METHOD 3b1d425 More simplly to use 4ae06b8 Lua binding: New API: set_log_threshold and log 9349ade Lua binding: Add constant: SSL_SUPPORTED

3c85ccf Lua binding: New API b6e78a8 Lua binding: Optimize code a3d1c70 Lua binding: Make the code more robust 8f8a29a Lua binding: New API: set_options ab5eb4b libuhttpd: Fix bug: Can't set docroot and index file c644185 Lua API: New API: set_error404_cb dcb397a libuhttpd: New API