v0.22

• termux-wifi-scaninfo now complains if Location is disabled on the device rather than giving an empty array.
• Add new termux-call-log method for getting the call log on the device.
• Add data_enabled and sim_subscriber_id fields to termux-telephony-deviceinfo.
• Fix notifications not showing on Android 8.0 or later.
• Show which permissions are required if an API call fails due to missing permissions.