Fixing ffi load uuid library.
Changing app to raise error in manifest find.
Removing use of fun[head|filer] in luker_spec.
Changing detects to use lua mod 5.2
Chaging box to use lua mod 5.2
Refactoring init command to use lua mod 5.2
Refactoring azk.app to use lua mod 5.2
Refactoring exec command to use lua mod 5.2
Fixing bug to run test in linux.