Updating framework to newer Swift syntax

[narner]

Hello; awesome project!

This pull-request contains some updates to the Framework project that should enable to it be used with current (Swift-3) projects.

It does not contain any updates to the example projects.

Hope this is helpful! Nick

[e-001]

Fancy seeing you here @narner...

[narner]

@e-001 ah not sure I recognize you!