Update version numbers

Update podspec after public headers move in uber#126

Updated Podspec to v6.2.0

Fixed linting issues with the Podspec (uber#96)

Bump the version number for a new release for Carthage

Update for latest Cocoapods, release version 6.0.2

Update to 6.0.0

Bump version to 5.0.2

Rename some properties to better describe the difference between tole…

…rances (uber#66)

Added Tolerance on individual pixel level (uber#43)