restore old options from memory

src/src/options/js/options.js

@@ -18,6 +18,14 @@ numbers.addEventListener('click', generate)
 symbols.addEventListener('keyup', generate)
 symbols.addEventListener('click', generate) 
 
+var oldOpts = JSON.parse(localStorage['options'])
+
+passLength.value = oldOpts.length
+upperCase.value = oldOpts.minCharacters.upperCase
+lowerCase.value = oldOpts.minCharacters.lowerCase
+numbers.value = oldOpts.minCharacters.number
+symbols.value = oldOpts.minCharacters.special
+
 function generate() {
   var opts = {
     length: parseInt(passLength.value),