Version 1.3

New delegate methods to specify line color and alpha. Deprecated some delegate methods and replaced with newer delegate methods with more parameters. New calculation methods. New graph snapshot method. Made some properties private. Updated Sample App.
Fixed Objective-C Module Issues

Added pre-compiler check for the Objective-C Module Build Setting. Modules are used if enabled, otherwise traditional imports are used. Added a warning for projects without ARC.
Project Updates

Updated the README.md with documentation for new methods and delegates. Tidied up other files.