1.2.1

Changes

• Upgrades Android SDK to version 1.7.2

Fixes

iOS specific

• Fixes "zoomed" camera preview after swapping to back camera - #10

Android specific

• Fixes app crashing while trying to invoke release method - #9
• Fixes app crashing while trying to calculate layout for camera preview on Huawei devices - #11
• Fixes error throwing by getNullableValue method - comment