WIP on namespaces
Fix typo in readme

Attribute interpolation with `$(foo)` doesn't work, but with
`${foo}` does. This fixes the (assumed) typo.
Merge pull request #42 from CodeBlock/patch-1

Fix typo in readme
Namespaces working now
Merge branch 'namespaces'
Don't require mtl-2.2.1.
Merge pull request #46 from 23Skidoo/mtl-2.2.1

Don't require mtl-2.2.1.
Fix the mtl version CPP
Merge pull request #1 from snapframework/master

Pull in recent work w/ namespaces and lens api