Fix #78

Fix #57: Cannot use a function for message since 0.1.5

New: Better default values
Most prompts now support default values with the initial property.
initial is used when a prompt is submitted without any values.
As soon as you start typing the initial value disappear. Hit tab to expand defaults NumberPrompt and all TextPrompt based prompts.

New: stdin and stdout option

• This is going to be used to test prompts in future releases.

New: Improved NumberPrompt

• Now supports floats too! Activate with the float option.
• You can now enter negative values without having to use the arrow keys
• Option to round float values with round
• Option to change how much the arrow-keys increment with increment

New: hint added to SelectPrompt

New: Fallback message for AutocompletePrompt

• New initial option
• New option to define a fallback message when no results are found with fallback. Defaults to initial value or no matches found if no initial value is defined.

Fixes

• Fix broken style function in NumberPrompt

Fix broken dynamic prompts #53 after refactor #43. Thanks @WilliamChelman

• fix #26 thanks to @unain #30
• new inject feature by @lukeed #1 #13
• fix default export by @lukeed #13
• fix crash in number prompt when hitting delete before typing ba7a46f
• default prompt choices title to value if not set #40
• cancel prompt loop on abort by default #27

#10 Now makes it possible to skip prompts with all falsy values. Not only null.