1.9.1

increment version

1.8.9

decrease target SDK version to 28

1.8.7

Update .travis.yml

1.8.5

fix crash

1.8.4

catch some exceptions

1.8.3

Fix SecurityException

1.8.2

fix import

1.8

increment version code

1.7.8

fix reported crashes

1.7.7

Add notice about not being able to change WiFi state while in airplan…