feat: support concurrent multi-device sampling

Merge pull request jpoirier#26 from jpoirier/biastee

add bias tee support, bump version, update copyright date

Develop (jpoirier#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