tests for PulseIn
PulsIn Test
Add PulseIn Tests to tests.sln
Add PulseIn Tests to tests.sln
Don't use alpha NuGet for tests
Fixed return values and error handling in the TwoWire::endTransmission() API
Now follows Arduino implementation.
Merge pull request #39 from IoTDan/develop

Add PulseIn Test app
Merge pull request #40 from zfields/endTransmissionReturnValue

Fixed return values and error handling in the TwoWire::endTransmission() API