Merge pull request #6 from jcristovao/master

Added time units as discussed on #4 and #6
Finish adding dimensioned derived units.
Version bump.
added Kilo to scope as needed
Merge pull request #7 from gambogi/master

added Kilo to scope as needed
Add British synonyms. Fixes #5.
Version bump back to 1.0.1 -- no new modules.
Update changelog.