Merge pull request #26 from mausch/master

Bugfix: when shrinking DateTimeOffset, only output zero offset if not al...
Add %> operator, same as |@ but higher precedence.

This makes it easier to combine with .&. operator: no more need for
parenthesis around the labels to prevent properties aggregating in a
counter-intuitive way, which would mean all subsequent labels are
printed when the first sub property fails.
Shrink hour bug

Shrink datetime at hour level wrong.
Merge pull request #27 from ddewaleffe/ddw

Shrink hour bug
Add generator for Nullable