Export the helpers.

Merge branch 'master' of https://github.com/SparkartGroupInc/handlebars-helper

0.0.11

0.0.10

support undefined/null in `divide` helper

support undefined/null inputs in `multiply` helper

support undefined/null inputs in `subtract` helper

support undefined/null inputs in `add` helper

0.0.10

specify end params for `range` and `between` helpers

provide more detailed test feedback with t.equal

move dependencies to appropriate place in package.json

use lodash.reduce instead of array.reduce

use lodash.isArray instead of Array.isArray

include JSON2 for cross browser testing