New returns a new empty Code, caller must call Load to load from cache or scan the code directory.

ErrCodePathEmpty is returned if Code.Path is empty or invalid.

ErrCoderNotScanned is returned if San() was never called.

ErrDotGitMalformed is returned if .git is malformed.

ErrInvalidURL is returned by AddProject if the URL given is not valid.

ErrProjectAlreadyExists is returned if the project already exists.

ErrProjectNotFound is returned if the project is not found.