Adds conversions for ssize_t.
Skips Texture2D::getPixelFormatInfoMap
Updates Bindings-generator.
Uses reinterpret_cast instead of static_cast for jsval_to_ssize and luaval_to_ssize.
Removes FileUtils::getFileData binding.
Merge pull request #4490 from dumganhar/bind-ssize_t

[scripting] Adds conversions for ssize_t.