ALL CHANGES:
* Final fix to gamepad button assignments to keyboard keys.
* Fixed vulnerability when unzipping files, as reported by Google.
* Fixed possible crash when unpausing app during exit sequence.
* Fixed possible crash in the State Exchange.
* Now showing folder name in the title instead of complete path.
* Now disabling keyboard options if there is no keyboard.
* Lowest supported Android version is Android 4.4 (SDK-19) now.