v1.0.0

• Updated Kotlin to 1.3.41
• Updated Kotlin experimental coroutines to Kotlinx
• Updated Android packages to Androidx (hence major release increment)
• Added updated pubspec description
• Flutter format on number of files
• Better encoding of 'options' on LocationUpdatesRequest [hoggetaylor]
• Fix argument of type string can not be assigned to DiagnosticsNode [osamagamal65]
• Adding support for new method to request enabling location services [shehabic]
• Updated Readme [shehabic]
• Various fixes for XCode 10, and Cocoa Pods 1.5.3 [shehabic]
• Updated Google Play Services Version [shehabic]
• Fixed serialization from dart to native platforms [shehabic]
• Updated kotlin version [shehabic]