Fixed xcodebuild errors

Merge pull request #21 from XCTEQ/XCFit-10

Fix Xcode New Build Setting Issue

Bump version to 8.0.0

Merge pull request #17 from Shashikant86/Swift4

Swift 4.1

Version Bump 7.0

version bump 6.0.0

Support for Swift4

Update README.md

Fix README path

version bump 4.0.9