manifest: speed up creation of the manifestdict
- fold iteration and rawset into parse
- avoid creating extra new strings with [:] where possible
- speed up node.bin
adding foo
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
pushing to ../2
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files