Implements a help CLI command - `nodal help`
Implements a help CLI command - `nodal help`

Introduces {Object} commandDefinitions - stores commands and definitions
of all exposed CLI functions
Introduces {Function} repeatChar - repeats a character for CLI purposes

nsipplswezey/nodal,rlugojr/nodal,abossard/nodal,IrregularShed/nodal,nsipplswezey/nodal,keithwhor/nodal,IrregularShed/nodal,nsipplswezey/nodal,abossard/nodal