encoding, twist arrays ([]string -> []MyString -> []string)

store/fetch bbolt.DB helpers for nested buckets (path as [][]byte or []string)

a cancellable, signal handling, httpserver+context combo for all kinds of web server programs

for InverseBoolVar (eg: --no-foo to set foo to false)

for FilterCopy and FilterInPlace

json marshaller for using unix timestamp instead of json string