remove redundant time precision requirements

Removed redundant statements about millisecond precision, erroneously introduced in #805

Release v1.0.0

Release v1.0.0-rc.3

Release v1.0.0-rc.2

Release 1.0.0-rc.1 (#720)

* Add TOML 1.0.0-rc.1

* Update README notice, for 1.0.0-rc.1

* Fix link to logo

* Update CHANGELOG to reflect release

Release v0.5.0.

Release v0.4.0

Release v0.3.1

Release v0.3.0

Release v0.2.0