bump to 4.5.1

build: bump to 4.5.0

version bump

abort release on error

Target Android API 30. Updated Kotlin, Gradle, OkHttp and CommonsNet …

…libraries

version bump

version bump

fixes gotev#496 removed LocalBroadcastManager, updated Kotlin to 1.3.…

…71, Gradle to 5.6.4 and plugin to 3.6.1, OkHttp to 4.4.1.

version bump to 4.2.1

version bump to 4.2.0