isolate_channel

• Fixes README

Clean up more resources in connectToIsolate close

• Adds onSendPortReady in setupIsolate to support headless restarts
• The IsolateEntryPoint and setupIsolate functions now accept a nullable send parameter to support headless restarts
• The connectToIsolate function now supports onExit and onError callback setup

Replace spawn parameters with exposing the spawnIsolateConnection

• Exposes the spawnIsolateConnection function that allows connecting to custom isolates
• Removes the spawn parameters from the spawnIsolate and spawnUriIsolate functions

• Updates README to reflect that connectToIsolate returns a Future

Loosens constraint on meta

• Loosens constraint on meta

Reorganize pubspec directives

• Allows passing an IsolateSpawner to support custom isolate implementations such as FlutterIsolate
• Makes connectToIsolate return a Future so that connection failure can be handled

Remove unnecessary type parameters from spawn methods

• Removes unnecessary type parameters from spawn methods

Handle more edge cases in IsolateEventChannel

• Handles more edge cases in IsolateEventChannel

• Adds README badges

Do not cancel handler subscription when onCancel is called in `Isol…

• Does not cancel handler subscription when onCancel is called in IsolateEventChannel

• BREAKING: Refactors IsolateException.notImplemented(...) into call.notImplemented()
• Supports communication between isolates spawned with Isolate.spawnUri
• EventChannel optimizations

• Handles exceptions thrown in method call handlers

• Initial release