efibootmgr 0.8.0

This is the 0.8.0 release:

• Try to make sure NVME paths work correctly
• Fix the checks on the limit for the length of an option's data
• Fix some incorrect memory management
• Re-encorporate workaround for Apple machines
• Fixes for building with clang
• --remove-dups (-D) to remove duplicated BootOrder entries
• Documentation fixes