Reworks sass include paths
Reworks sass include paths

Original code was modifying the class level list on each run in parallel.
Not smart. This creates a new array if it is needed rather than adding to
the class level instance.

adamclifford/Wyam,Wyamio/Wyam,adamclifford/Wyam,adamclifford/Wyam,adamclifford/Wyam,Wyamio/Wyam,adamclifford/Wyam,Wyamio/Wyam