Should have been implemented as a data member not message
Merge pull request #73 from DamonOehlman/fix-datachannelmessageevent

Should have been implemented as a data member not message
Expanding connection tests to include data channel connectivity tests
Changed to send binary data rather than text
Merge pull request #74 from DamonOehlman/dc-comms

Expand tests to include data channel connectivity and messaging