Added hp6632b

Signed-off-by: Steven Casagrande <scasagrande@galvant.ca>
Added trigger command, error codes and docstrings.

Signed-off-by: Steven Casagrande <scasagrande@galvant.ca>
Some formatting for the hp6632b
Removed original contribution test files
Add hp6632b unittests, commented out broken implementation of check_error_queue