Fix link

Thanks for the help at https://github.com/assemble/handlebars-helpers/pull/113#issuecomment-34836647 ...
Merge pull request #114 from dandv/patch-2

Fix link
withHash helper and tests
withHash helper documentation
Merge pull request #117 from mistakster/with-hash

withHash helper to create a new context from the attribute hash
v0.5.2

Updates withFirst helper. Code was sourced from https://github.com/elving/swag/blob/master/lib/swag.js#L251-L272.
Merge branch 'origin/master'
Merge branch 'origin/master'
v0.5.3

Adds utils from Swag to start prepping for 0.6.0 - we will be depending on Swag in that version.
update versions in bower/package.json
Merge https://github.com/assemble/handlebars-helpers