Changelog for row-types-0.2.1.0

0.2.1.0 [2018-03-20]

Bug Fix: The type of 'update' for both Record and Variant now enforce the newly inserted type is correct.
New: Add 'restrict' and 'split' for Variants.
- Removed 'restrict' from Data.Row export list.
New: Added support for universally quantified rows: 'mapForall' and 'uniqueMap'.
Added very simple test suite.