Merge pull request #5 from joaquimserafim/v4.0.0

• fix ssl/tls usage

v3.1.1

• update grpc module to version 1.3.8

v3.0.0: Merge pull request #4 from joaquimserafim/v3

fix creedentials

Merge pull request #3 from joaquimserafim/v2.0.3

• fix setMetadat method

v2.0.2

Update README.md

v2

• add stream implementation

v1.0.0

v1.0.0