0.16.0

• Add support for passthrough file descriptors
• Change KernelConfig capabilities flags parameters to u64
• Remove feature flags abi-7-9 through abi-7-18
• Remove libfuse feature flag from defaults. Linking with libfuse can be enabled with the libfuse feature flag
• Improve macfuse compatibility (note that macfuse remains untested)
• Fix unsound behavior when linking with libfuse3
• Performance optimizations
• Update documentation