Update CHANGELOG.md for 4.2.0 (hardbyte#1552)

* update CHANGELOG.md

* Commit suggestion 1

Co-authored-by: Brian Thorne <[email protected]>

* Commit suggestion 2

Co-authored-by: Brian Thorne <[email protected]>

* Commit suggestion 3

Co-authored-by: Brian Thorne <[email protected]>

* add new entry for MF4 support

* update CHANGELOG.md

---------

Co-authored-by: Brian Thorne <[email protected]>

Update changelog and set version to 4.1.0

4.1.0-a2 version bump

Revert pylint version bump

Bump version for alpha release of 4.1.0

Merge pull request hardbyte#1260 from hardbyte/release/4.0.0

Release/4.0.0

Prepare 4.0.0-rc.0 (hardbyte#1241)

4.0.0 Dev 2

Merge pull request hardbyte#1015 from hardbyte/socketcan-timestamp-ns

Add nanosecond resolution time stamping to socketcan

Update wheel on travis before publishing package.

Tag version 3.3.5-dev0