Move TimeStamp type here from marquise
Bump version number
Correctly export TimeStamp type
Correct conversion to NominalDiffTime

Multiplication was borked. Need to reduce nanoseconds to seconds THEN
express it as a Rational.

Use corrected convertToDiffTime function for Show instance.
Get current time as a TimeStamp

Move `getCurrentTimeNanoseconds` function from 'wip/sine-wave' branch
in **vaultaire** to **vaultaire-common**.
Haddock for TimeStamp type
Merge pull request #4 from anchor/move-time-stamp

Move TimeStamp