Changed sysctl --write in favor of -w to enable compatibility with older kernels.
ip-link: Added more link statuses and its descriptions.
All: Fixed try-catch callbacks.
ip-link: Added flag statuses.
ip-link: Changed vl_types to an object format to make it really usable.
- Added Nodejs version restriction due fs method.
- Fixed bug when parsing an empty rt_tables.
Relaxed nodejs requirement to 0.8.