Merge pull request #26 from jpoirier/biastee

add bias tee support, bump version, update copyright date

Develop (#17)

* trim device usb strings, git ignore .vscode folder

* temp revert back to un-trimmed code

* copyright date, minor formatting

* add ReadSync call to mock test

* increment minor version

* trim null bytes from returned strings, add misc comments

bump minor rev

mock test async read

rename mock test folder