CleanSlice takes a slice in, removes emtpy or null items, and returns a clean slice.

Dprint is a wrapper around fmt.Println for printing debug messages.

Eprint is a wrapper around fmt.Println for printing errors.

NewCmdRunner initializes a the module, and returns a CmdRunner.

Panic is Eprint + os.exit and ignores Debug/Error configuration.

ReadLines reads a file and returns a slice of lines.

UniqueSlice returns a string slice with duplicates removed.

gllobal config access for core.