Port utils.numbers to JS

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Port utils.url to JS

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Port utils/version to JS -- utils now fully ported

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Merge pull request #457 from cbmi/utils-to-js

Port utils to JavaScript