Updated enum/record-types: Fixed typo
Updated lib/ntfs: Removed dead code
Updated lib/attribute: Fixed attr types
Renamed AttributeDefinition -> Definition
Added .isResident getter in lib/attribute
Updated volume/boot-record: Fixed JMP address
Added lib/guid: Crude, broken GUID implementation
Added lib/mft/ref: An MFT_REF splitting device
Updated package.json: Added missing repo fields