v1.20.2 updated dependencies

bumped up some dependencies

v1.20.0

Documentation improvements & tests tweaked

v1.19.1

Bugfix: Date.MarshalJSON incorrectly wrote the zero value as a blank …

Bufix: MarshalJSON

Date.MarshalJSON incorrectly wrote the zero value as a blank string, which might raise difficulties at the receiver.

Code that relied on this incorrect behaviour might see this as a breaking change.

v1.18

Updated dependencies. Began work on forked repo for `period`.

updated dependencies

v1.14.3

updated dependencies

Bug fixed: integer overflow on 32bit architecture

v1.14.2

fixed int32 overflow problem mentioned in issue 11 https://github.com…

v1.14.1

updated dependencies

Period revised

Improvements to Period, including new methods and improved tests.

v1.13.0

This adds period.ParseWithNormalise to allow normalisation to be disabled when required.

Thanks to Ali Ince for this contribution.