# Functions
DirSize returns the space occupied by the given `path` on disk on the current file system.
Exists returns `true` if the given `path` on the current file system exists.
FullVersion returns the full version and commit hash.
GetDatafiles returns a list of all data files stored in the database path given by `path`.
NewEntry creates a new `Entry` with the given `key` and `value`.
ParseIds will parse a list of datafiles as returned by `GetDatafiles` and extract the id part and return a slice of ints.