------ * fix DS2000 to convert CSV files * add more testing to tox
0.6.4
------ * fix DS4000 to work with two channels * fix DS2000 to work with recent DS2072A firmware * add DS2072A test files to repository
0.6.3
------ * use sphinx for documentation * host docs on https://rigolwfm.readthedocs.io * remove unneeded files from pip installation * start using tox for testing