Rao «Démon» Zvorovski

Results 3 issues of Rao «Démon» Zvorovski

* Added the `valueIn` method I suggested, * fixed some things that `npm run verify` complained about: * some formatting * removed usage of deprecated `exists` method.

Hello! Would appreciate an escape-hatch to get the value in a particular unit, e.g. `Measure.of(8, furlongs).valueIn(miles)` returns numeric `1`.

JIRA-like: commit to some amount of hours over some period, show line to target.