Added variables support for array.
App uses JSON.parse() from ECMAScript 1.7 instead JSON2.js. Added "Help" block.
Added a selection of generated JSON by pressing the Ctrl + A, negative numbers in randInt, support tab button for textarea. App can save the JSON-template in localStorage.
Added ability to generate arrays.
Added new variables: $randInt, $date, $firstName/$lastName.
First run.