Add new log levels to the sample ANSIColorLogFormatter in the Readme

Tweak travis, switch to Xcode 10, remove minor platform tests since T…

…ravis constantly changes

Version bump 6.0.4

Version bump 6.0.2

Add info about setting SWIFT_VERSION in user podfiles

Update podspecs, and set .swift-version

Update podspecs, readme, and version bump to 5.0.5

Update podspec

Update podspecs, and version bump to 5.0.1