A new tracer event fired when a request is deduplicated: MultiplexerRpcDedupEvent
expectAsync back to expectAsync1 in transforms_test.dart
Adding help and print usage. Also print out errors instead of mapping them to print, lazy eval of iterators prevents them from being printed.
nit readme fix
Adding toString() method to StreamyRpcError
Handling null
Merge pull request #168 from financeCoding/adding_help_args

Adding help and print usage.
Merge pull request #169 from financeCoding/nit_readme_fix

nit readme fix
Merge pull request #172 from zachconrad/master

Adding a toString() method to StreamyRpcException
Merge pull request #167 from yjbanov/trace-dedupe-events

Trace dedupe events