added Readline Input Provider (require Readline extension)

Signed-off-by: Jan Pecha <janpecha@email.cz>
Console: added & fixed PHPDoc comments

Signed-off-by: Jan Pecha <janpecha@email.cz>
Console: added methods enableNl() & disableNl()

Signed-off-by: Jan Pecha <janpecha@email.cz>
refactored input prompt printing

Signed-off-by: Jan Pecha <janpecha@email.cz>