Prompt a question and wait for user to reply yes or no.

Accepted inputs are:
- y | Y | yes | YES
- n | N | no | NO

default-value is a boolean and can set the default selected option, true for Yes and false for No.

Prompt a question and wait for user to insert a free input string.
Input can be validated if validate-fn is passed as function that returns:
- nil if input is valid.
- String error if input is not valid. Returned String is displayed with an error style.

Prompt a question with a list of choices and wait for user to check and select some of them.

Choices can be:

; List of strings. Same label and value, none is checked by default.
[ "One" "Two" "Three" ]

; List of maps.
[
  {:label "One" :value "1" :checked true}
  {:label "Two" :value "2" :checked false}
  {:label "Three" :value "3" :checked false}
]

Prompt a question with a list of choices and wait for user to select one of them

Choices can be:

; List of strings. Same label and value.

[ "One" "Two" "Three" ]

; List of maps.
[
  {:label "One" :value "1"}
  {:label "Two" :value "2"}
  {:label "Three" :value "3"}
]