Upgrade tto Swift 4.2

Merge pull request #12 from trsathya/fix-carthage

Fix carthage

Bump up pod version to 0.0.4

Bump version, Fixes #2

Fix protocol method signatures to avoid using UIKit IndexPath extensi…

…on member, row.

Merge pull request #1 from trsathya/0.0.1

0.0.1