fix #11: flattened keys in array are now correctly parsed

[maxleiko]

Qs can now parse:

anArray[0][a]=a&anArray[0][b]=b&anArray[1][a]=aa&anArray[1][b]=bb
to

var data = {
  anArray: [
    { a: 'a', b: 'b' },
    { a: 'aa', b: 'bb' }
  ]
};

[nlf]

Good catch! Thanks