New Xcode being bossy about indentation.
Remind new Xcode about file paths.

Was defaulting to Xcode directory for creating new files...
Created stub for Source template.

Start and end times and a pure virtual getValue method.
Comments in Source.h
Base Source<T> working with simple RampTo sequences.
Move time methods into Source.
Type deduction for phrases, much prettier.
Hold implementation, thinking about concatenating sequences.
Thinking about appending sequences to each other.
Separable easing for two components.
Quick edits to make benchmarks build and run.
Unit tests building and passing.

Syntax changes needed.
Reduce timeline interface to apply and append.

For now, always using Sequences to things added to the timeline
makes sense.
Might make versions of those methods templated on the Source type
so you could timeline a single phrase, but it doesn't seem needed.
Mirror Sequence and Motion interfaces in Options.

Also forwarding Args... parameter packs.
Declare args with forwarding references.

(I believe that's the new name for Scott Meyers' Universal References).
Documentation.

Also: don't return reference to temporary variables.