Changelog for binary-tagged-0.1.2.0

0.1.2.0 (2015-10-06)
- Add tuple HasSemanticVersion instances
- Add instances for
  - ()
  - Float
  - Double
  - Version`
  - Fixed
  - Ordering
- Fix Interleave & SumUpTo, introduce Div2
0.1.1.0
- Add instances
  - Ratio
  - Word
  - HasSemanticVersion for primitive types