A lot of improvements and tweaks. Check the full description.

1.2.0 cocoapod version.

Added <deletePasscodeFromKeychain> method.

Added <maxNumberOfFailedAttemptsReached> protocol method and its
respective <kMaxNumberOfAllowedFailedAttempts> constant.

Replaced <showLockscreenWithAnimation> and
<showLockscreenWithoutAnimation> with
<showLockscreenWithAnimation:(BOOL)animated> method.

Improved the UIWindow handling.

Fixed the positioning problem that happened if the lockscreen was
presented with an av/as open.

Improved folder structure.