Merge pull request #207 from alxhub/master-v0.2

Move sendParams to the .streamy.yaml file, and make addendum_test pass with them.
Consolidate & fix raw and wrapper tests
Split marshalling tests from entity tests
Move base tests to separate file
Merge pull request #203 from yjbanov/marshaller-tests

Marshaller tests
Reinstate request test
Organize imports in all_tests.dart
Reinstate transforms test
Remove reference to the deleted multiplexer_test.dart file
Reinstate streamy_test.dart
Merge pull request #204 from yjbanov/request-test

Fix remaining runtime tests
Fix imports and streamy_test.dart
Merge pull request #208 from yjbanov/streamy-test-fixes

Streamy test fixes